Chalcocitization
辉铜矿化(作用)
🗣️ 情景例句
I've got a lot of work to do.
我有很多工作要做。
He has been to America.
他曾去过美国。[表示曾经有过的经验]
Then you'll see the sign for the rest rooms.
你就可以看到厕所的牌子了。