Bromoethylene
溴乙烯, 溴化乙烯
??? 情景例句
We are postponing our trip until the weather grows warmer.
我們擬把旅行推遲到天氣暖和的一些時候。
This part of the country is very mountainous.
國家的這部分有很多的山。
I can't do that, Mr Tiger, said the monkey.
“我不能這么做呀，老虎先生，”猴子說