Polyfluorohydrocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
I have tea with y colleagues in the afternoon.
下午我和同事喝茶。
Don't worry, you only ripped the seam.
别担心，只弄破了线缝而已。
He had spotted a tiny bottle at the bottom of my case and he pounced on it with delight.
他在我的箱底发现了一只小瓶，高兴地一把抓了起来。