Embolite
氯溴银矿
🗣️ 情景例句
Do you want a first class, business class or economy seat?
你想要头等舱、商务舱还是经济舱？
At noon I had lunch with a friend of mine.
在中午我与一个朋友一起吃了午餐。
Is everyone here? asked Mother.
“都到齐了吗？”母亲问。