Calloy
铜镍硅合金
🗣️ 情景例句
You haven't been around much lately.
最近你在家的时候不多。
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。
The pirates would often bury gold in the cave and then fail to collect it.
海盗们过去常把金子埋藏在那个洞里，可后来却没能取走。