| 释义 |
DEFINITIVE EXAMPLES 权威例句〔contour feather〕Any of the outermost feathers of a bird, forming the visible body contour and plumage.廓羽：任一形成鸟的外形轮廓以及全身羽毛的最外层羽毛美国传统〔down〕Fine, soft, fluffy feathers forming the first plumage of a young bird and underlying the contour feathers in certain adult birds.绒毛：雏鸟出生时全身羽毛的松软细密羽毛，某些成鸟的廓羽下的松软细密羽毛美国传统〔penna〕A contour feather of a bird, as distinguished from a down feather or a plume.表羽：区别于软绒羽或正羽的鸟的外廓羽毛美国传统 |