🗣️ 情景例句
This is a crazy morning. Hello, Richard.
这是一个忙得头昏的早晨。哈喽， Richard。
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
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。