Perispermatitis
精索周炎
🗣️ 情景例句
You're welcome.
不用谢
I enjoy your company.
我喜欢有你做伴。
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，