Calloy
铜镍硅合金
🗣️ 情景例句
Oh! Good afternoon. Mr. Wilson, I'm sorry, but he's not in. He's gone out on business.
哦，您好！威尔逊先生。很抱歉，他不在家，他出差了。
I'll call you back.
我回电话给你。
I really think a little exercise would do you good.
我真的觉得做点运动对你有好处。