Pentafluorization
五氟化反应
🗣️ 情景例句
Oh, that's a nice idea.
噢，这想法不错。
Falsehood like a nettle stings those who meddle with it.
谎言似荨麻，玩弄会刺手。
When I touched him on the shoulder, he turned around.
我拍他的肩膀，他转了过来。