Polybromohydrocarbon
[化] 多溴烃; 多溴代烃
🗣️ 情景例句
Now I want to ask you a few questions, if you don't mind.
如果不介意的话，现在我想问你几个问题。
Do you have a ball point pen?
你有圆珠笔吗？
When they were very young, Mr. Green sometimes dressed up in a red coat. But he doesn't do that now.
在他们很小时，有时候格林先生穿上一件红色的外套。但他现在不那么做了。