Perfluorocyclopropane
全氟环丙烷
🗣️ 情景例句
I just saw a big one!
我刚看见一条大的。
Don't look wise.
别自作聪明。
When it did so, it sent sparks down to the ground and these immediately started a fire.
当它这样做时，把火花送到了地面，这些火花立刻引起了一场大火。