Endoparticle
内颗粒
🗣️ 情景例句
But some things are personal or private, and questions about them are not polite.
但是有些事是私人的，问这些方面的问题是不礼貌的。
What is the way to the drugstore?
哪一个方向是去药房的？
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。