primary feather

n. (鸟的)初级飞羽

例句与用法：

A primary feather of a bird.

翅前羽鸟的初级飞羽

primary feather

primary feather1.■初级飞羽

1. any of the largest flight feathers in a bird's wing, growing from the manus
   初级飞羽
   

primary feather

名词 primary feather:

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

同义词：primary, primary quill

primary feather