feathry生: give birth to; bear羽毛: plume; feather; pinna; indum ...的: 4次方是 The fourth power of 2 i ...未生羽毛的: callow; unfledged初生羽毛的雏鸟: fledgling下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:生羽毛的，即可在微信中查询翻译
