English-Chinese/Feathers

Feathers are the things which cover birds. They help keep birds warm. Feathers also protect them from injury. In most kinds of birds, feathers help them to fly.

羽毛 是 覆盖 鸟类的 东西. 它们 帮助 保持 鸟类 温暖. 羽毛 也 保护 它们 免受伤害. 在 大多数 鸟类中，羽毛 帮助 它们 飞翔.