Perfluorocarbon
全氟化碳
🗣️ 情景例句
We've earned it. What do you say?
我们有这样做的权利。你说呢？
Lightly gain,quickly lost.
来得容易去得快；不义之财，理无久享。
I'll be back in town next month.
我下个月会再回这里来。