Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
You've got it.
没问题。
I remember the girl whose father goes there every summer.
我记得那个女孩的父亲每年夏天都去那里。
Look, Gary!That policeman's waving to you.He wants you to stop.
瞧，加里！那个警察正朝你挥手呢。他要你停下来。