Fluoroalkane
[机] 氟烷
🗣️ 情景例句
In any case, you should prepare for the worst.
无论如何你要做好最坏的打算。
The best mirror is an old friend.
老朋友是最好的镜子。
In spite of national differences, certain funny situations have a universal appeal.
尽管民族不同，有些滑稽的情节却能产生普遍的效果。