Nitrocalcite
钙硝石
🗣️ 情景例句
I'm not so keen on red sports cars.
我并不热衷红色跑车。
A bit in the morning is better than nothing all day.
略有胜于全无。
A man lived in a tall building in the city of Moscow. He liked living there.
有一个人住在莫斯科城的高楼里。 他喜欢住那儿。