Operons
(operon 的复数) n.[生]操纵子
🗣️ 情景例句
My doctor advised me to give up smoking without delay.
医生劝我立即戒烟。
He didn't say anything as to where he would go.
关于他的去处他什么也没说。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。