Polybromohydrocarbon
[化] 多溴烃; 多溴代烃
🗣️ 情景例句
You don't mean to tell me that you and ...
你不会是告诉我们你和……
He that never climbed never fell.
不向上爬的也不会下跌。
Will you please try to find out for me what time the train arrives?
能不能请你帮我查查火车什么时候到？