I duppose when their feathers and wings are fully grown , and they don ’ t need the constant care of their parents .

我猜要到他们的羽毛和翅膀完全长成，他们就不需要总是靠父母照顾了。

youdao

He's got a body shape, feathers, and beak of an ostrich, the speed of some of the fastest lizards, and the height to rival T-rex.

它有鸵鸟一样的身形、羽毛和长嘴，最为迅速的蜥蜴的速度，和霸王龙一样的身高。

youdao

And the other part about it is if feathers were twice as heavy, or half as strong, then birds couldn't fly."

VOA: special.2010.06.01

And as with Mr Rove, Mr Penn has been blamed for ruffling the feathers of those who don't share his opinions.

ECONOMIST: Hillary Clinton sacks her strategist, Mark Penn

Sadik-Khan hasn't screwed up, but she has ruffled plenty of feathers.

FORBES: Companies, People, Ideas