Caillerite
钠板石
🗣️ 情景例句
The gap between the poor and the rich seems to be growing every day.
贫富悬殊好像与日俱增。
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
No, we aren't.
不， 还没有。