Cistron
n. 顺反子, 作用子\\n[化] 顺反子
🗣️ 情景例句
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
Have you marketed your product yet?
你们的产品尚未推出市场吗？
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。