Polyflon
聚四氟乙烯树脂(商品名)
🗣️ 情景例句
And it makes me feel good that you care about me.
而且， 关心我， 也让我感到很高兴。
The sanitary engineer collects garbage.
卫生队员收集垃圾。
That's for sure.
那是肯定的。