| 单词 | contour feather |
| 例句 | He was so close she could hear his contour feathers buzz in the wind. Frightful's Mountain 2001-05-21T00:00:00Z Down-feathers differ from semiplumes both in their relation to contour feathers and in that they do not possess a main axis, all the barbs arising from a common centre. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z Most of the down and contour feathers were removed to allow the preservative to reach the skin. Myology and Serology of the Avian Family Fringillidae A Taxonomic Study A wing feather and a contour feather of an ordinary and a silky fowl. Mendelism Third Edition Compare the uses of the quill and contour feathers. Ontario Teachers' Manuals: Nature Study The down-feathers are generally completely hidden by the contour feathers: they form in many birds, such as gulls and ducks, a thick underclothing comparable to the under-fur of mammals such as the seals. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z These feathers occupy the position of the ultimate contour feathers. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z But they differ in that their barbs spring from a central axis as in typical contour feathers. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z They occur in all birds, in clusters of varying number, about the bases of contour feathers. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z In some birds they attain a great length, and may project beyond the contour feathers, sometimes forming conspicuous white patches, as for example in the necks of cormorants. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z This occurs because the development of the contour feather begins before that of the mesoptyles has completed. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z |
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