Microfloatation
微量浮选
🗣️ 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。
I'd like to try on these hats.
我想试试这些帽子。
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。