Preimage
逆象, 原象, [数]前象
🗣️ 情景例句
We talk about him at dinner time.
我们吃晚餐时总谈起他。
See you tomorrow.
明天见。
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。