The flight feather of an ostrich looks like this.

是鸵鸟的飞行羽毛看起来像这样。

His flight feathers were growing fast, but he still couldn't fly.

他的飞羽长得很快，可他还是不能飞。

Penguins show changes in their wing bones and a reduction of their flight feathers.

企鹅的翼骨发生了变化，飞羽也减少了。

They need to preen their flight feathers, clean off the city dust and cool themselves down.

它们需要清理用于飞行的羽毛，除去沾染的城市灰尘，让自己清凉一下。

He grew his flight feathers, dreamed of Serena by day and by night, and practiced his trumpet.

他长全了他的飞羽，时刻梦想着塞蕾娜，还练习着吹小号。

Only flying birds have asymmetrical flight feathers.

只有会飞的鸟才有不对称的飞羽。

Dinosaurs had scales that were evolved for thermoregulationthat were jury-rigged into flight feathers.

恐龙的鳞片是为了调节体温而进化而来的，这些鳞片被临时组装成飞羽。

After a couple of months, all the birds had grown flight feathers.

几个月后， 所有的鸟都长出了飞羽。

They didn't have flight feathers yet, so they weren't ready to leave the nest.

它们还没有飞羽， 所以还没有准备好离开巢穴。

It had some distinctly bird-like traits, like a wishbone, wings, and flight feathers, and it could probably fly at least a little.

它有一些明显的鸟类特征，比如叉骨、翅膀和飞羽，它可能至少会飞一点。

They are decorating her arms in a sense which is extremely appropriate because these are flight feathers from probably a male ostrich to have that much luster and display.

它们在某种意义上是在装饰她的手臂，这是非常合适的，因为这些是雄性鸵鸟的飞行羽毛，富有光泽，用于展示。

So where you see a typical flight feather that has a closed vein and an offset rachis to give it an aerodynamic airfoil shape, the ostrich is have done away with that completely.

所以如你所见这是一个典型的飞行羽毛，有一个封闭的静脉和一个偏移的羽轴给它一个符合空气动力学的翼型形状，鸵鸟已经完全失去了这种羽毛了。