更新时间：2025-09-15 20:37:33
Noun:- one of the main flight feathers projecting along the outer edge of a bird's wing
primary feather是什么意思 primary feather在线翻译 primary feather什么意思 primary feather的意思 primary feather的翻译 primary feather的解释 primary feather的发音 primary feather的同义词
