Switched
a. 转换的
🗣️ 情景例句
We've got a movie.
我们知道是一部电影。
Yes, a lot of friends.
是的，很多。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。