Gerhardtite
铜硝石
🗣️ 情景例句
Good-bye.
再见。
We'll talk about it later.
再说啦！
A week later, Mr Brain rang Zheng Jie and spoke to a friend of his.
一周以后，布雷恩先生打电话给郑杰，接电话的是郑杰的一位朋友。