Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
Do you think you made the right decision?
认为你的决定正确吗？
Many a little makes a mickle.
积少便成多。
(Bruce rings up his father on the telephone.)
（布鲁斯给他父亲打电话。）