Pentabromoethane
五溴乙烷
🗣️ 情景例句
I'd rather wait for the live show myself.
我宁愿等到有现场演出时才看。
I must insist you finish what you have started!
我是说一旦开始的事就必须坚持到底！
' I continued driving and after some time,the examiner tapped loudly,
”我继续往前开着。过了一会儿，主考人砰砰地敲了起来。