Fluorodinitrobenzene
氟二硝基苯
🗣️ 情景例句
If you want to go sightseeing, a ferry trip is usually pretty cheap.
如果你想观光，坐船通常是比较便宜的。
It's up to you.
由你决定。
But who will do all the house work?
但是这些家务活谁来做呢？