羽茎

例句：

1. 1. The bird's feathers are soft and fluffy.
   这只鸟的羽毛柔软且蓬松。
2. 2. The butterfly has delicate wings with feather-like scales.
   这只蝴蝶拥有像羽毛一样的鳞片翅膀。
3. 3. The eagle is known for its powerful wingspan and sharp talons.
   老鹰以其强大的翼展和锐利的爪子而闻名。