Stibious
三价锑的
🗣️ 情景例句
We all need one of those.
我们都需要一个这样的领结。
Archeologists still can only surmise as to the origin of Man.
考古学家们对于人类的起源依然无法推测。
Nice to meet you too! What class are you in?
我也很高兴。你是哪班的？