Dichlorobutylene
二氯丁烯
🗣️ 情景例句
My day was just fine.
这一天还好。
A good conscience is a continual feast.
白日不做亏心事，夜半敲门心不惊。
It took me ten minutes to persuade her to ring back later.
我用了10分钟的时间才说服她过会儿再来电话。