Jf
abbr. 纪念邮资信封
🗣️ 情景例句
See, it works!
瞧， 真有效！
Don't run away!
别想溜！
I haven't told you that my family made a lot of money in the nineteenth century by making children work 16 hours a day in their factories.
我还没有告诉过你，我的家在19世纪的时候赚了一大笔钱，是强迫儿童在工厂里一天劳动16个小时赚来的。