Cupromanganese
铜锰合金
🗣️ 情景例句
Well, we'll phone every hour,
好了， 我们每个小时都打电话
Dad is building another room onto the back the house.
爸爸另外在屋子的后面盖一个房间。
Anyway, as Brian pointed out, it is the easiest thing in the world to give up smoking.
不管怎么说，正如布赖恩指出的那样，戒烟是世界上最容易的事情，