Flotator
浮选机
🗣️ 情景例句
But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事，我把日期弄错了，而且到现在才知道这个错误。
To learn how to count
学习记账
They're all millionaires!
他们都是百万富翁！