primary feather
英
美
- n.(鸟的)初级飞羽
详细释义
Noun:
-
one of the main flight feathers projecting along the outer edge of a bird's wing
双语例句
- Upperwing has pale greyish-white primary bases and often pale rufous or yellowish-brown forewing, paler than dark grey flight-feathers.
翼上初级飞羽呈现灰白色，翼前缘经常为淡棕色或黄棕色，比飞羽的深灰色要浅。
用作名词 (n.)
相关词汇
- primary 首要的
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