Polybromohydrocarbon
[化] 多溴烃; 多溴代烃
🗣️ 情景例句
What can I do?
那我能做点什么呢？
What do you do besides eating?
除了吃，你还会做什么？
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。