Pentafluorination
五氟化反应
🗣️ 情景例句
I'd love to come. But I have to be on duty this weekend night.
我是想过来，但我周末晚上得值班。
A bad conscience is a snake in one's heart.
做贼心虚。
and so they gradually acquire a value beyond their true worth.
因此这些东西慢慢获得了一种超出它本身的价值。