Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
His house was always neat.
他家经常都是干净的。
One man makes a chair and another man sits in it.
坐享其成。
Thanks for the party last Sunday. I enjoyed it very much.
感谢你上个星期天的聚会。我非常快乐。