英语单词分类 轻松记单词

primary feather

primary feather基本解释

(鸟的)初级飞羽

primary feather同义词

primary feather相关例句

用作名词(n.)
  • 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。

primary feather英英释义

Noun:
  • one of the main flight feathers projecting along the outer edge of a bird's wing