Polyfluorocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
Well, I had a really nice time.
嗯 我玩得很开心。
These two students drank a lot of coffee.
这两个学生喝了许多咖啡。
The Australian seasons are the opposite.
澳大利亚的季节正好相反。