Fecama
二氯乙烯基二甲基磷酯
🗣️ 情景例句
How soon will my mail be received by the other end?
我的信件多快能被对方收到？
I ought to keep cool.
我应该保持冷静。
We did as he told us and we won the first place in the league at last!
我们照他叮嘱的做了，因而我们最终获得了联赛的冠军！