英语词汇“venation”造句子简单的方法、技巧、例句及翻译-英语例句辞典

Among the brighter whites, Wheeler commends Polar Bear and Arctic White, a later poinsettia that is pleasantly creamy and with green venation as it colors up, though the bracts are on the small side. The poinsettia, reinvented and still going strong

What was once just something we called elephant ears is now a high-falutin cultivar of alocasia or colocasia, truly stunning in size, leaf venation and sheer presence. The sudden heat and humidity of summer has gardeners dancing a seasonal salsa 2020-06-15T04:00:00Z

The bloom is golden with a tracery of magenta venation. The moth orchid, while lovely, has overshadowed other, less common varieties 2018-02-19T05:00:00Z

The copperplate lines are so exact they mimic the individual venation of feathers; the neck of a gyrfalcon takes on all the ripply realism of moiréd silk. The Original Birders Gave Photography a Run for its Money 2023-11-03T04:00:00Z

Even the assignment to the subfamily Larentiinae is not entirely secure and is based on a few features like wing venation. Mysterious new moth species discovered in Europe 2023-11-13T05:00:00Z

Its fan-shaped leaves—unique among seed plants because they feature a dichotomous venation pattern—turn yellow in autumn and fall from the tree. Fundamentals of Biology 2015-01-01T00:00:00Z

Its fan-shaped leaves, unique among seed plants because they feature a dichotomous venation pattern, turn yellow in autumn and fall from the plant. Concepts of Biology 2013-04-25T00:00:00Z

Monocots have parallel venation; the veins run in straight lines across the length of the leaf without converging at a point. Biology for AP Courses 2022-06-09T00:00:00Z

This process does not dissolve or remove the scales, but merely renders them transparent, so that they do not interfere with the study of the venation. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z

Puckered leaves in which the area of mesophyll between the venation is increased by rising up in an arched or dome-like manner are sometimes brought about by excessive moisture in a confined space. Disease in Plants 2012-03-01T03:00:22Z

The venation, or veining, of leaves relates to the mode in which the woody tissue, in the form of ribs, veins, etc., is distributed in the cellular tissue. The Wild Flowers of California: Their Names, Haunts, and Habits 2012-02-17T03:00:37.163Z

There is a very distinct scutellem, and the two elytra are rounded at the tip and without venation. Scientific American Supplement, No. 648, June 2, 1888. 2011-12-26T03:00:15.410Z

The arrangement of veins in a leaf is called the venation pattern. Biology for AP Courses 2022-06-09T00:00:00Z

The balsam mount is also unsatisfactory in many respects, as the body is always more or less distorted and little can be relied upon except the venation and the jointed appendages. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z

The leaves, which are borne in pairs at the tumid nodes, are oval in form and have a Dicotyledonous type of venation. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z

The venation is strictly parallel, the midrib usually strong, and the other ribs more slender. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z

It remains long enough to let me admire the venation and iridescence of its wings. City Room: Autumn Unfolds: The Air Itself Feels Alive 2011-10-28T16:43:31Z

One extant plant, the Ginkgo biloba, has dichotomous venation where the veins fork. Biology for AP Courses 2022-06-09T00:00:00Z

A method of mounting wings of small Lepidoptera for studying venation, which I have found very convenient, is thus described by Mr. Howard in Insect Life, Vol. i, p. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z

The venation is like that of many ferns, e.g. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z

The flanks are pale green or pale tan and marked with a fine dark brown or black venation. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z

The venation of the wings of insects is another example of modifications without serving any special purpose. Darwin, and After Darwin, Volume 2 Post-Darwinian Questions: Heredity and Utility 2011-10-16T02:00:14.153Z

Monocots have leaves with reticulate, net-like venation and dicot leaves have parallel venation. Biology for AP Courses 2022-06-09T00:00:00Z

Some years ago we used the following method for studying the venation of the wings of small Lepidoptera. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z

But with care the leaves can be spread open, and their shape and venation seen. Trees Worth Knowing 2011-10-13T02:00:48.357Z

The most authoritative classifications of butterfly families are based upon the peculiarities of wing venation and are admirably discussed in such books as Holland's "Butterfly Book" and Comstock's "How to Know the Butterflies." Butterflies Worth Knowing 2011-08-10T02:00:15.887Z

The venation is useful as pointing out the number of leaves which constitute a gamosepalous calyx. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z

Monocots have leaves with parallel venation and dicot leaves have reticulate, net-like venation. Biology for AP Courses 2022-06-09T00:00:00Z

We spent time experimenting with photographic techniques because we want to document the details of venation — the way the veins in the leaves are arranged — as soon as possible after the specimen is exposed. Scientist at Work: Eureka! A Fossil Bone, and Water Ferns to Boot 2011-01-03T22:17:49Z

Thick and dark green, with plain margins, and conspicuously looped venation near the edges, these leaves suggest a young magnolia tree. Trees Worth Knowing 2011-10-13T02:00:48.357Z

The venation is not distinctly preserved; but enough remains to show that it must have been peculiar,—apparently radiating outwards from a series of centres ranged along the midrib. The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed

The union of the parts may be complete, and the calyx may be quite entire or truncate, as in some Correas, the venation being the chief indication of the different parts. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z

It is not in all cases easy to trace the origin and true nature of the ascidium, as the venation is sometimes obscure. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants

See plate III for typical venations of all orders. Explanation of Terms Used in Entomology

The leaves began to droop, a peculiar death-discolouration began to spread from the mid rib along the venation of the leaves. Response in the Living and Non-Living

A large tree occurs not uncommonly, which is either a Birch or a Prunus, most probably from the venation of its leaves, the latter; the bark is exactly like that of a Birch. Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries

The number of parts forming such a corolla can be determined by the divisions, whether existing as teeth, crenations, fissures or partitions, or if, as rarely happens, the corolla is entire, by the venation. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z

In Primula or Pedicularis, where the venation is clearly laminar, the tubular portion is distinctly calycine. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants

Petiolate: supported or placed on a stem or stalk; usually applied in describing venation and the method of attachment of abdomen to thorax. Explanation of Terms Used in Entomology

Another specimen from the same locality was shown to be made up of mosses by the venation of leaves. Scientific American Supplement, No. 385, May 19, 1883

The venation of the leaves is very plain. Outlines of Lessons in Botany, Part I; from Seed to Leaf

In the terms of venation, these parentheses occur most frequently. Explanation of Terms Used in Entomology

Wing cells: areas inclosed by veins: reference should be had to the figures illustrating venation and to the special terms applied to the cells. Explanation of Terms Used in Entomology

Zygoptera: those Odonata, having the fore and hind wings subequal in width, venation comprising a quadrilateral, not a triangle; nymphs with caudal tracheal gills. Explanation of Terms Used in Entomology

The compound leaves correspond to these modes of venation; they are either pinnately or palmately compound. Outlines of Lessons in Botany, Part I; from Seed to Leaf

单词	venation
例句	venation Among the brighter whites, Wheeler commends Polar Bear and Arctic White, a later poinsettia that is pleasantly creamy and with green venation as it colors up, though the bracts are on the small side. The poinsettia, reinvented and still going strong What was once just something we called elephant ears is now a high-falutin cultivar of alocasia or colocasia, truly stunning in size, leaf venation and sheer presence. The sudden heat and humidity of summer has gardeners dancing a seasonal salsa 2020-06-15T04:00:00Z The bloom is golden with a tracery of magenta venation. The moth orchid, while lovely, has overshadowed other, less common varieties 2018-02-19T05:00:00Z The copperplate lines are so exact they mimic the individual venation of feathers; the neck of a gyrfalcon takes on all the ripply realism of moiréd silk. The Original Birders Gave Photography a Run for its Money 2023-11-03T04:00:00Z Even the assignment to the subfamily Larentiinae is not entirely secure and is based on a few features like wing venation. Mysterious new moth species discovered in Europe 2023-11-13T05:00:00Z Its fan-shaped leaves—unique among seed plants because they feature a dichotomous venation pattern—turn yellow in autumn and fall from the tree. Fundamentals of Biology 2015-01-01T00:00:00Z Its fan-shaped leaves, unique among seed plants because they feature a dichotomous venation pattern, turn yellow in autumn and fall from the plant. Concepts of Biology 2013-04-25T00:00:00Z Monocots have parallel venation; the veins run in straight lines across the length of the leaf without converging at a point. Biology for AP Courses 2022-06-09T00:00:00Z This process does not dissolve or remove the scales, but merely renders them transparent, so that they do not interfere with the study of the venation. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z Puckered leaves in which the area of mesophyll between the venation is increased by rising up in an arched or dome-like manner are sometimes brought about by excessive moisture in a confined space. Disease in Plants 2012-03-01T03:00:22Z The venation, or veining, of leaves relates to the mode in which the woody tissue, in the form of ribs, veins, etc., is distributed in the cellular tissue. The Wild Flowers of California: Their Names, Haunts, and Habits 2012-02-17T03:00:37.163Z There is a very distinct scutellem, and the two elytra are rounded at the tip and without venation. Scientific American Supplement, No. 648, June 2, 1888. 2011-12-26T03:00:15.410Z The arrangement of veins in a leaf is called the venation pattern. Biology for AP Courses 2022-06-09T00:00:00Z The balsam mount is also unsatisfactory in many respects, as the body is always more or less distorted and little can be relied upon except the venation and the jointed appendages. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z The leaves, which are borne in pairs at the tumid nodes, are oval in form and have a Dicotyledonous type of venation. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z The venation is strictly parallel, the midrib usually strong, and the other ribs more slender. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z It remains long enough to let me admire the venation and iridescence of its wings. City Room: Autumn Unfolds: The Air Itself Feels Alive 2011-10-28T16:43:31Z One extant plant, the Ginkgo biloba, has dichotomous venation where the veins fork. Biology for AP Courses 2022-06-09T00:00:00Z A method of mounting wings of small Lepidoptera for studying venation, which I have found very convenient, is thus described by Mr. Howard in Insect Life, Vol. i, p. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z The venation is like that of many ferns, e.g. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z The flanks are pale green or pale tan and marked with a fine dark brown or black venation. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z The venation of the wings of insects is another example of modifications without serving any special purpose. Darwin, and After Darwin, Volume 2 Post-Darwinian Questions: Heredity and Utility 2011-10-16T02:00:14.153Z Monocots have leaves with reticulate, net-like venation and dicot leaves have parallel venation. Biology for AP Courses 2022-06-09T00:00:00Z Some years ago we used the following method for studying the venation of the wings of small Lepidoptera. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z But with care the leaves can be spread open, and their shape and venation seen. Trees Worth Knowing 2011-10-13T02:00:48.357Z The most authoritative classifications of butterfly families are based upon the peculiarities of wing venation and are admirably discussed in such books as Holland's "Butterfly Book" and Comstock's "How to Know the Butterflies." Butterflies Worth Knowing 2011-08-10T02:00:15.887Z The venation is useful as pointing out the number of leaves which constitute a gamosepalous calyx. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z Monocots have leaves with parallel venation and dicot leaves have reticulate, net-like venation. Biology for AP Courses 2022-06-09T00:00:00Z We spent time experimenting with photographic techniques because we want to document the details of venation — the way the veins in the leaves are arranged — as soon as possible after the specimen is exposed. Scientist at Work: Eureka! A Fossil Bone, and Water Ferns to Boot 2011-01-03T22:17:49Z Thick and dark green, with plain margins, and conspicuously looped venation near the edges, these leaves suggest a young magnolia tree. Trees Worth Knowing 2011-10-13T02:00:48.357Z The venation is not distinctly preserved; but enough remains to show that it must have been peculiar,—apparently radiating outwards from a series of centres ranged along the midrib. The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed The union of the parts may be complete, and the calyx may be quite entire or truncate, as in some Correas, the venation being the chief indication of the different parts. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z It is not in all cases easy to trace the origin and true nature of the ascidium, as the venation is sometimes obscure. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants See plate III for typical venations of all orders. Explanation of Terms Used in Entomology The leaves began to droop, a peculiar death-discolouration began to spread from the mid rib along the venation of the leaves. Response in the Living and Non-Living A large tree occurs not uncommonly, which is either a Birch or a Prunus, most probably from the venation of its leaves, the latter; the bark is exactly like that of a Birch. Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries The number of parts forming such a corolla can be determined by the divisions, whether existing as teeth, crenations, fissures or partitions, or if, as rarely happens, the corolla is entire, by the venation. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z In Primula or Pedicularis, where the venation is clearly laminar, the tubular portion is distinctly calycine. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Petiolate: supported or placed on a stem or stalk; usually applied in describing venation and the method of attachment of abdomen to thorax. Explanation of Terms Used in Entomology Another specimen from the same locality was shown to be made up of mosses by the venation of leaves. Scientific American Supplement, No. 385, May 19, 1883 The venation of the leaves is very plain. Outlines of Lessons in Botany, Part I; from Seed to Leaf In the terms of venation, these parentheses occur most frequently. Explanation of Terms Used in Entomology Wing cells: areas inclosed by veins: reference should be had to the figures illustrating venation and to the special terms applied to the cells. Explanation of Terms Used in Entomology Zygoptera: those Odonata, having the fore and hind wings subequal in width, venation comprising a quadrilateral, not a triangle; nymphs with caudal tracheal gills. Explanation of Terms Used in Entomology The compound leaves correspond to these modes of venation; they are either pinnately or palmately compound. Outlines of Lessons in Botany, Part I; from Seed to Leaf
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