| 单词 | needle-shaped |
| 例句 | Snow slides easily off needle-shaped leaves, keeping the load light and decreasing breaking of branches. Concepts of Biology 2013-04-25T00:00:00Z Conifers such as spruce, orchids, and pine have needle-shaped leaves with sunken stomata, helping to reduce water loss. Biology for AP Courses 2022-06-09T00:00:00Z These are evergreen coniferous trees like pines, spruce, and fir, which retain their needle-shaped leaves year-round. Environmental Biology 2018-09-06T00:00:00Z So Tarduno went searching for rocks of the right age containing tiny, needle-shaped crystals of the mineral titanomagnetite, which record the magnetic field’s strength at the time of their crystallization. Scientists are probing the secrets of Earth’s inner core—and how it saved life on our planet 2022-03-30T04:00:00Z In his research, Schwarcz says, he has never seen anything suggesting bone minerals are structured into curved, needle-shaped crystals. Core Strength: Extreme "Close Ups" May Help Explain Why Our Bones Are So Strong 2018-05-03T04:00:00Z Researchers told local outlets that they were able to initially identify the species by the fish's long, narrow jaws, which contain rows of needle-shaped teeth. 'Alien'-Like Sharks With Extendable Jaws Pulled From Deep Sea 2018-01-11T05:00:00Z Conifers such as spruce, fir, and pine have needle-shaped leaves with sunken stomata, helping to reduce water loss. Biology for AP Courses 2022-06-09T00:00:00Z It then quickly opened its mouth to create suction before closing its jaws to filter the plant material through densely packed and needle-shaped teeth much like baleen whales strain tiny shrimp-like krill from seawater. Nailed it: scientists describe weird ancient hammerhead reptile 2016-05-06T04:00:00Z Near the base the tiny, needle-shaped magnetic minerals within the rock are generally close to vertical, the result of the direction the magma flowed before it solidified. Volcanic Activity, Not Giant Bears, Created Enigmatic Devils Tower 2015-03-10T04:00:00Z This new model showed needle-shaped bone mineral crystals twisting into and around the collagen fibers, entangling them in a stiff, spiral scaffold. Core Strength: Extreme "Close Ups" May Help Explain Why Our Bones Are So Strong 2018-05-03T04:00:00Z The snake-like shark reportedly measures 2 meters long, featuring 300 needle-shaped teeth. Rare 'Frilled Shark' Captured By Australian Fisherman 2015-01-21T05:00:00Z And with an enormous hinged beak filled by rows of needle-shaped “pseduoteeth” made of bone, this was no cuddly Sesame Street character. Largest Ever Flying Bird - a Prehistoric 'Dragon' - Found in South Carolina 2014-07-07T04:00:00Z A graph of a year’s worth of natural gas prices looks like a rolling landscape with a giant, needle-shaped skyscraper stuck at the far right end. Carnage on the Natural Gas Market 2014-02-27T21:37:48Z If the blood has parasites, the water splits them and the needle-shaped hemozoin crystals line up in the magnetic field, partly blocking the laser. Global Health: New Rapid Malaria Test Uses Magnets and a Laser 2013-06-10T19:55:42Z Trees or shrubs, with resinous juice, mostly awl-shaped or needle-shaped entire leaves, and monœcious or rarely diœcious flowers in catkins or solitary, destitute of calyx or corolla. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z On removing the plaster, it will be found that the drop has been broken up into thousands of minute needle-shaped particles arranged in cones, the apices being in the direction of the tail. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z Near the top of that hill, which is the needle-shaped hill, is a tree covered with bright pink blossoms. The Magic Bed A Book of East Indian Fairy-Tales 2011-10-12T02:00:40.937Z Shortly afterwards passed a needle-shaped monument to George Fox, founder of the Society of Friends. The Cruise of the Land-Yacht "Wanderer" Thirteen Hundred Miles in my Caravan 2011-10-11T02:01:13.517Z The leaves are needle-shaped, about an inch long, dark green, and persist for about 5 years. Forest Trees of Illinois How to Know Them 2011-10-08T02:00:23.997Z Magnesium sulphate is also largely used in order to give “body” to the cloth, which it does by virtue of its property of crystallizing in fine felted needle-shaped crystals throughout the mass of the fabric. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z In the care of Chokier, he discovered a polished and jointed needle-shaped bone, with a hole pierced through it, at its base. A Manual of the Antiquity of Man 2011-02-21T03:00:07.080Z They retain their original leaves, which are needle-shaped, for three years; but when these fall the same branch never acquires any more. Lachesis Lapponica A Tour in Lapland, Volume 1 2010-12-31T03:00:11.350Z Catechu-tannic acid is an amorphous body soluble in cold water, while catechin occurs in minute, white, silky, needle-shaped crystals, which do not dissolve in cold water. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" A simple mineral, white, and needle-shaped, one of the Zeolite family, frequently met with in the Trap-rocks. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology It occurs in patches along the river bottoms where the flat scalelike foliage is conspicuous among the needle-shaped leaves of the hemlock and fir. The Forests of Mount Rainier National Park Leaves needle-shaped, 1 to 15 in. long, almost cylindric, 2, 3, or 5 together in clusters, with a sheath, more or less persistent, at the base. Trees of the Northern United States Their Study, Description and Determination The jaws, wide open and slashing with enormous, needle-shaped teeth at the huge parasites, were large enough to have held our glass sphere. Astounding Stories of Super-Science September 1930 Hundreds and hundreds of peaks ran along the sky, conical, serrated, needle-shaped, jagged, some flaming like the ruby in the morning ray, others dazzlingly white as the alabaster. Pilgrimage from the Alps to the Tiber Or The Influence of Romanism on Trade, Justice, and Knowledge They were of the pinus sylvestris, and thickly covered with bunches of long needle-shaped leaves. Bruin The Grand Bear Hunt The fine, needle-shaped leaves to which only very sticky snow will adhere. Ontario Teachers' Manuals: Nature Study Leaves � to � in. long, rather slender, needle-shaped, sharp-pointed, incurved, pale- or glaucous-green; branchlets smooth. Trees of the Northern United States Their Study, Description and Determination L'Encuerado put down his load to climb up a needle-shaped rock, the extraordinary position of which reminded us of the celebrated leaning tower of Pisa. Adventures of a Young Naturalist On sailing in we were struck by the remarkable appearance of the flesh-coloured pinkish rocks, whose needle-shaped points rose up out of the water. A Yacht Voyage Round England They exhibit a variety of peaks, naked and shining; crags that hang over deep, treeless ravines, and needle-shaped summits aspiring to the sky. The Scalp Hunters The mountain-tops, unlike those of our Coral Island, were sharp, needle-shaped, and bare, while their sides were more rugged and grand in outline than anything I had yet seen in those seas. The Coral Island This tree is surrounded, at each girdle of growth, by a cincture of sharp thorns, which are more numerous and needle-shaped as we approach the leaves. Mark Seaworth Calcium carbonate sometimes crystallizes in needle-shaped crystals belonging to the rhombic system. An Elementary Study of Chemistry Leaves simple, scattered along the season's shoots, clustered on the short, thick dwarf branches, about an inch long, pale green, needle-shaped; apex obtuse; sessile. Handbook of the Trees of New England Covering the younger branches, but becoming thinner on the older ones, are numerous needle-shaped leaves. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Barberio's Test.—Mix a drop of the spermatic stain with a drop of a saturated solution of picric acid, when needle-shaped yellow rhombic crystals are formed. Aids to Forensic Medicine and Toxicology Leaf: In young trees the leaf is needle-shaped, pointed, and marked by a white line on its under side, Fig. Studies of Trees Nitro-mannite forms white needle-shaped crystals, insoluble in water, but soluble in ether or alcohol. Nitro-Explosives: A Practical Treatise Scattered, not overlapping, narrowly lanceolate or needle-shaped, sharp-pointed, spreading. Handbook of the Trees of New England These singular plants have slender branching stems, with sparse needle-shaped leaves, the young stems being at first coiled up, crosier-fashion, like the young fronds of ferns, whilst the old branches carry numerous spore-cases. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science Joints ovate, 4 in. to 9 in. long, with cushions 1 in. apart, composed of short, fulvous bristles, and several long, needle-shaped, unequal, yellowish spines. Cactus Culture for Amateurs Being Descriptions of the Various Cactuses Grown in This Country, With Full and Practical Instructions for Their Successful Cultivation These are needle-shaped and arranged in clusters with numerous leaves to each cluster in the case of the larch, and feathery and flat in the case of the cypress. Studies of Trees You will notice, too, that the leaves, which are needle-shaped and nearly flat, do not grow in clusters, but singly, and that their color is peculiar. Among the Trees at Elmridge The needle-shaped crystals in all the plants selected for study were composed of calcium oxalate. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 The bark is marked with numerous rhombic or oval scars, arranged in quincunx order, and indicating the points where the long, needle-shaped leaves were formerly attached. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science The mountain tops, unlike those of our Coral Island, were sharp, needle-shaped, and bare, while their sides were more rugged and grand in outline than anything I had yet seen in those seas. The Coral Island A Tale of the Pacific Ocean Distinguishing characters: Its leaves, which are needle-shaped and about an inch long, are borne in clusters close to the twig, Fig. Studies of Trees The mountain tops, unlike those of our Coral Island, were sharp, needle-shaped, and bare, while their sides were more rugged and grand in outline than anything I had yet seen in those seas. The Coral Island A Tale of the Pacific Ocean The younger parts of the tree were clothed with stiff needle-shaped leaves, but elsewhere the trunk and branches were marked with scalelike scars, left by the fallen leaves, and arranged in spiral rows. The Elements of Geology |
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