Sifbronze
西夫青铜, 钎焊青铜焊料
🗣️ 情景例句
We have a wide connection in U.S.A.
我们在美国各地有广泛业务关系。
No, I don't think so.
不，我想不会。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。