Kieserite
n. [地质] 硫酸镁石
🔁 扩展释义
【化】 水镁矾
🗣️ 情景例句
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
How long will it take you to have it counted?
你要多少天才能把它计算好？
It was stolen twenty years ago when Dan was a boy of fifteen!
这是20年前丹还是一个15岁的孩子时被人偷走的！