Fluorosclerosis
[医] 氟性硬化
🗣️ 情景例句
before Michelle and her friends arrived.
在Michelle和她的朋友们来之前。
He knows it's inconvenient ,but he wants to go anyway.
他知道是不方便，但是他不管怎样想要去。
How are you getting on with your English lessons?
你的英语课学得怎么样了？