Me too. I was hoping we could go to the beach today, but it looks like that's out of the question.
我也这么想,我本来希望我们今天去海边,但看来没戏了。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前,这些鸟没有天敌,因此,它们不需要发育飞行的翅膀。