Coeruleofibrite
铜氯矾
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
Well, I'm sorry you have to leave so early.
哦，很遗憾，你非得这么早走不可。
Where do you work?
你在哪上班？