Polyfluorocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
He's always been a real playboy.
他就是个花花公子。
I will talk more about that in a moment.
目前我要多讨论那个问题。
The young man did not wake up until the bed had struck the ground.
那年轻人直到床撞到地上才醒了过来。