Chalkogenide
硫属化物
🗣️ 情景例句
Besides Chinese New Year, what are the other festivals according to the Lunar Calendar?
农历新年以外还有什么节日？
I know the boy whose father is a scentist.
我知道那个男孩的父亲是科学家。
He dare not tell us his evil conduct.
他不敢告诉我们他的恶行。