英：['bɑ:bjʊl]
美：['bɑbjʊl]
barbule如何读
barbule是什么意思
- n.鸟之小羽枝
barbule自然拼读
bar·bule
bar byul
barbule英英释义
noun
a minute barbespecially: one of the processes that fringe the barbs of a feather see feather illustration
barbule_动物学行业词汇
羽小支
barbule词源英文解释
The first known use of barbule was in 1813
barbule 例句
1 They were packed into a dense, smooth layer found in the finest branches of the feather fossil, the barbules.
2 Unlike in other shiny birds, such as hummingbirds or crows, the cassowary's glossiness is produced by the rachis, or the spine of the feather, rather than the barbules, or minute filaments fringing a feather.
3 Those barbules, in turn, have even smaller features—lumpy nodes and prongs spaced along their length.
4 Long curly barbs radiate out from the center, and each one is covered in smaller barbules that stick out like the branches on a fir tree.
5 The contour feathers interlock and overlap with tiny barbs (actually called barbules), forming a water and windproof protective outer layer on their bodies.
6 Inside the feather’s barbules, layers of melanosomes and a type of the structural protein keratin can scatter incoming light in such a way that only certain colors reflect back out.
7 Some bird of paradise feathers, on the other hand, are irregular, with curved, spiky barbules and cavities within the feathers.
8 When light strikes a superblack feather's forest of barbules—which tilt at about 30 degrees toward the outer tip of the feather—it gets reflected into cavities between the tiny structures rather than outward, McCoy says.