Pentabromoethane
五溴乙烷
🗣️ 情景例句
There is a lot of unsavory material available on the internet.
网络上有很多不健康的信息。
I have a sweet tooth.
我喜欢吃甜食。
So what exactly are you suggestiong?
那你到底有什么具体建议呢？