Cuprobond
(冷加工前的)鍍銅, (鋼絲拉拔前的)硫酸銅處理
??? 情景例句
I am hungry.
我真是餓了。
I asked him to play with me, but he wouldn't.
我請他和我玩，但是他不肯。
But for the English examination, I would have gone to the concert last Sunday.
上個星期天，要不是有英語考試， 我就去聽音樂會了。