Maillechort
铜镍锌合金
🗣️ 情景例句
Well, Grandpa will be disappointed, too.
爷爷也会感到失望。
The problem is that my boss says he can't keep my job open for me.
可问题是老板说他无法继续保留我的工作。
For a beginner, you're pretty good.
做为一个初学者，你已经做得很好了。