Dacrycystitis
[医] 泪囊炎
🗣️ 情景例句
I'm sorry, Carl.
很抱歉 Carl。
No matter where you go you'll hear Chinese spoken.
不管你到哪里，你总会听到中国话。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，