Operons
(operon 的复数) n.[生]操纵子
🗣️ 情景例句
sacrifices have to be made by one partner from time to time.
总要有一方必须不时做些牺牲。
After dinner I read a magazine and made some telephone calls.
在晚饭以后我读一本杂志和打了一些电话。
Trafalgar Square, please.
请买一张到特拉法加广场的票。