所以，如果你以前认为乌鸦不知道如何使用工具，以后永远不要再这样想了。

So if you thought that crows didn't know how to use tools, nevermore think that way. I had to work that...

youdao

所以我们认为鸟舍的和野生的乌鸦发声相似，更多是与生俱来的，所以基本上内化在乌鸦种群中。

So we think that their vocalizations that are similar, aviary and wild, are more innate, so basically naturally inside of them.

youdao

意思是如果你的嘴里塞了一只袜子，你就能安静了…所以如果你告诉某人“闭上你的乌鸦嘴”，你就是在让他闭嘴。

The idea behind this is that if you stuffed a sock in your mouth, you'd be quiet... so if you tell someone to "put a sock in it", you're telling them to shut up.

youdao