Koenenite
氯氧镁铝石
🗣️ 情景例句
The professor runs a restaurant on the side.
这个教授的副业是开饭馆。
How much does it cost to rent a mid-size car?
租一辆中型汽车要多少钱？
I can't make this machine run properly.
我无法使这部机器正常运转。