Rackwork
齿条, 齿条加工, 齿条机构
🗣️ 情景例句
I think I can stay at home
我觉得我可以待在家
Don't mention it.
不用谢。
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。