Interpunction
n. 标点,标点符号
🗣️ 情景例句
How do you spell it?
如何拼写？
Why didn't you go?
为什么你不去？
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。