Nitrocalcite
钙硝石
🗣️ 情景例句
And I would like to introduce the young man
现在我希望向大家介绍这位年轻人
I'm afraid the crash was because of your fault.
抱歉，我怕这次坠毁是你弄砸的缘故。
I bought it the day it was released.
它发行的当天我就买了。