Dibromobutane
二溴丁烷
🗣️ 情景例句
The mall's packed today.
今天商场里的人很多。
We have a wide selection of sweaters that will appeal to all ages, and in particular the teenager market which you specified.
我们有各种各样适合各个年龄层次的羊毛衫，特别是您专门提到的青少年市场。
We're going to help some farmers with their work.
我们打算去帮助一些农民干活。