Letovicite
[矿]酸性铵矾
🗣️ 情景例句
We should all take a little break before dessert.
吃甜点之前我们大家应该稍微休息一下。
How much does she need?
她需要多少？
The railway station was big, black and dark.
火车站很大，又黑又暗。