Bealloy
铍铜合金的母合金, 铜铍中间合金
🗣️ 情景例句
How do I do that?
我该办什么手续呢？
I think I happen to represent them in accepting this award.
而我是碰巧来代表他们接受这个奖的。
But for the English examination, I would have gone to the concert last Sunday.
上个星期天，要不是有英语考试， 我就去听音乐会了。