Calloy
铜镍硅合金
🗣️ 情景例句
Alexandra.
Alexandra。
It's none of my business,but I think you ought to work harder.
它是不关我的事，但是我认为你应该努力工作。
He speaks little Chinese, so it's difficult to communicate with him.
他只能讲一点汉语，所以和他交流很难。