Poly(vinyl fluoride)
[化] 聚氟乙烯
🗣️ 情景例句
Don't get so excited about it.
别因为这事儿太激动。
I ate roast chicken for lunch yesterday.
我昨天午饭吃的是烧鸡。
I've just had a cup, thank you.
我刚喝了一杯，谢谢。