Tose
[医]乳糖操纵子
🗣️ 情景例句
He emphasized that Marxism was scientific truth.
他指出马克思主义是科学的真理。
Health is not valued till sickness comes.
有病方知无病乐。
I've been working at a meat factory for about two months now.
大约两个月来，我一直在一家肉厂干活。