Kamarezite
碱式硫酸铜矿
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
We would appreciate it if you let us know whether you allow cash or trade discounts.
若能告知你方是否给现金折扣或商业折扣，将不胜感激。
Tang Lin, I want to introduce my friend Jane.
唐林，我想向你介绍我的朋友珍妮。