Pentafluorinated
五氟化的
🗣️ 情景例句
No, honey.
不用 亲爱的。
He who likes borrowing dislikes paying.
爱借钱者不爱还钱。
After chipping through a wall which was eighteen inches thick, they found that a man had been trapped in the chimney.
他们凿透了18英寸厚的墙壁，发现有个人卡在烟囱里。