Pentabromoethane
五溴乙烷
🗣️ 情景例句
Well, there's chocolate and coffee and a little vanilla.
好的。这儿有巧克力冰淇淋、 咖啡冰淇淋和一点香草的。
Was I supposed to help you today?
今天我想帮你忙。
I think so.
我也这么想。