Dibromodifluormethane
[建] 二溴二氟甲烷
🗣️ 情景例句
This has been a great learning experience for us, Marilyn.
这对我们是一次很好的学习经验， Marilyn。
I don't want to cause any trouble.
我不想给人家添麻烦。
Do you still want them?'
您是否还要呢？”