Perfluoroparaffin
全氟烴
??? 情景例句
I would like to check-out now.
我現在就想結賬離開。
I'm not sure. I'll have to think about it.
我現在不敢說定，我得考慮一下。
A long-lost brother, who was presumed dead, was really alive all the time and wickedly plotting to bring about the hero's downfall.And so on.
主人公一位長期失散的兄弟，大家都以為死了，實際上一直活著，并且正在策劃暗算主人公；如此等等，