Tosca
n. 碳酸钙沉积
🗣️ 情景例句
The way to learn a language is to practice speaking it as often as possible.
学习一门语言的方法就是要尽量多地操练说出它来。
Do you think the patient can be cured?
你认为病人能被治好吗？
I've never been there.Have you ever been there, Ken?
我从未去过。肯，你去过吗？