羽毛帮助鸟

eastern whipbirds───东虎鸟

feather beds───羽毛褥垫；羽毛铺盖；安适的处境

feather geraniums───羽毛天竺葵

featherheads───n.蠢人；轻浮的人；健忘的人（同feather；ain）

mothers helps───妈妈帮忙

early birds───早起的人（earlybird的复数形式）

fairy bluebirds───精灵蓝鸟

feather bed───羽毛褥垫；羽毛铺盖；安适的处境

feather bedded───羽毛褥垫；羽毛铺盖；安适的处境

The same muscles puff up the feathers of birds and the fur of mammals on cold days to help keep them warm.───在鸟类中也有同样的肌肉，在冬天它使得鸟的羽毛膨胀，以达到御寒的目的。 哺乳动物也通过毛发来御寒。

Researchers say the discovery will help them understand how feathers evolved into the wide variety found on modern birds.───研究人员表示，该发现将帮助他们理解恐龙羽毛怎样进化成现代鸟类丰富的羽毛的。

The pollen from a mallow flower. Its spines help it cling to birds' feathers.───这是锦葵的花粉。它的刺帮助它牢牢地吸附在鸟类的羽毛上。

All birds also have feathers. Feathers help birds to fly. They also keep birds warm and dry.───羽毛可以帮助鸟类飞行，也可以保持它们的体温和干爽。