🗣️ 情景例句
Who do you work for?
你是做什么工作的？
His friend was filled with joy over the good news.
他的朋友因得知这个好消息而雀跃。
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。