Cuprobond
(冷加工前的)镀铜, (钢丝拉拔前的)硫酸铜处理
🗣️ 情景例句
He went to Canada on business.
他因公赴加拿大。
He that marries for wealth sells his liberty.
为财富而结婚就是出卖自由。
Worse was to come.
更糟的事就要发生了。