Polytef
[化] 聚四氟乙烯
🗣️ 情景例句
We'll make another.
我们还可以再次约会。
I'm the youngest.
我最年轻
While early settlers had killed bison for food, now the killing became more widespread.
早期的殖民者只是以杀野牛为食，这时屠宰野牛就更为广泛了。