Keratoprotein constitutes hair, nail, feather, silk and cobweb.

角质蛋白构成毛发、指甲、羽毛、蚕丝及蛛网。

Badminton can be played by two or four people.

羽毛球可由人或四人来。

The bright plumage of a parrot made it beloved by people.

的一身华丽羽毛使人们很爱它。

In other words, these birds of a feather defrock together.

换句话说，这些鸟类是一次性褪光所有羽毛的。

The feathers of a bird's wing underlap each other.

鸟翅上的羽毛是部分相互重叠的。

A bird that has loose, ruffly feathers is probably happy.

羽毛看上松松的大多是一只快乐的。

The bottom of the nest is laid with feathers and hair.

巢的底部是用羽毛头发铺成的。

The bird fluffed out its feathers in the sun.

那只鸟儿在阳光下抖开羽毛。

Peregrine falcons usually pluck the feathers and strip the flesh off their bird prey.

游隼捕到鸟类猎物时，通常是先拔掉它们的羽毛，再把肉撕下来。

Mattress are filled with feathers, cotton, or straw.

床垫里塞满了羽毛、棉花或草。

Feather Boa – 6 foot feather boa with green and white chandelle feathers.

羽毛围，6英尺长，混绿色白色羽毛，围接口处各有个三叶草形状的徽章。

The bird puffed out its feathers.

这只鸟竖起了羽毛。

Feathers initially developed from insect scales.

羽毛最初由昆虫的翅瓣演化而来。

The bird fluffed out its feathers.

鸟儿抖开羽毛。

This is the only species of flamingo in the region, easily recognized by its pink plumage.

这是那个地区唯一一种火烈鸟，很容易凭粉红色的羽毛辨认出来。

An example of macroevolution is the appearance of feathers during the evolution of birds from theropod dinosaurs.

宏进化的一个例子是鸟类在从兽角亚目的恐龙进化期间羽毛的出现。

A bird trims its feathers.

鸟整饰它的羽毛。

He played badminton for sport.

他羽毛球是着玩的。

The bird fluffed its feathers.

鸟啄它的羽毛使之松散。

Do a few withered grass, feather or hide lid to be on scree next, make it an incubative nest.

然后弄来一些枯草、羽毛或兽皮盖在小石子上，做成了一个孵蛋的窝。