Skipper, we appear to be flightless. 老大 我们好像不能飞
A toxic frog, and a flightless freak. 一只毒蛙 和一个不能飞的怪胎
Now we have two useless, flightless birds. 现在我们有两只没用又不会飞的鸟了
Actually, there are 40 species of flightless birds. 其实 世界上有四十种鸟类不会飞
Being flightless, the returning penguins must cross the open beach on foot. 由于不能飞 企鹅必须步行穿越空旷的海滩
for at this stage they're flightless. 在这一阶段 它们还不能飞