形容词: operator,意为操作人员;技工;电话员;接线员;复数形式是: operationsoperation是一个名词,它的意思是: 活动;手术;(有组织的)。

operate的名词是: operation Several causes operated to bring about the war .那场战争的起因有几个。I would never learn to operate those machines .routine的用法和短语The players had to change their daily routine and lifestyle这些运动员不得不改变他们的日常生活习惯和方式。Family holidays are meant to be a break f。