Barytolamprophyllite
钡闪叶石
🗣️ 情景例句
Let's go out clubbing ater the mid-term exams.
期中考试以后我们一起上酒吧。
All right. Should I take a look at your battery?
好的。要不要检查一下蓄电池？
It is, in fact, a primitive type of calendar.
事实上是一种最原始的日历。