Pentabromoethane
五溴乙烷
🗣️ 情景例句
Yes?
什么事？
He went to grade school in New york and high school in Cicargo.
他在纽约上小学并在Cicargo上高中。
Thank you. You watched the match, didn't you?
谢谢你。你看了比赛，对吧？