Perfluorochemical
[机] 全氟化化合物
🗣️ 情景例句
I see, it's not easy to marry and start a family. So when's the wedding?
我明白，要组织一个家庭并不容易。那么婚礼订在哪天举行？
Are there any discount tickets for me?
给我有折扣吗？
I work in a small factory.
我在一个小工厂里工作。