Operons
(operon 的复数) n.[生]操纵子
🗣️ 情景例句
Don't worry, be happy.
别担心，开心点。
No man can be a good ruler unless he has first been ruled.
没受过他人的统治，就不能很好地统治他人。
Was the damage extensive?
坏得很多、很严重吗？