Endodontics
n. [医]牙髓学
🗣️ 情景例句
Hi.
嗨。
Which one do you want?
你要哪一个？
I agree with you. We've got to do something about pollution. It's getting worse.
我同意你的看法。我们得对污染采取措施了。污染越来越严重了。