Polyflon
聚四氟乙烯树脂(商品名)
🗣️ 情景例句
I'm dead tired by quitting time.
下班时，我都累死了。
All is flour that comes to his mill.
到他的磨里都能碾成粉。
As soon as he opened his mouth, everyone burst out laughing.
但他刚一开口说话，人们便哄堂大笑起来。