Florencite
磷铝铈矿
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
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。
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，