operative
US /ˈɑː.pɚ.ə.t̬ɪv/
UK /ˈɑː.pɚ.ə.t̬ɪv/

形容词
1.
运行中的, 生效的
in operation; functioning
示例:
•
The new system will be operative next month.
新系统将于下个月投入运行。
•
Make sure all safety measures are operative before starting the machine.
启动机器前,请确保所有安全措施都已生效。
2.
关键的, 主要的
most important in influencing or determining something
示例:
•
The operative word here is 'trust'.
这里的关键词是“信任”。
•
His quick thinking was the operative factor in their escape.
他敏捷的思维是他们逃脱的关键因素。
名词
1.
操作员, 工人
a worker, especially one who operates a machine
示例:
•
The factory employs many skilled machine operatives.
这家工厂雇佣了许多熟练的机器操作员。
•
Each operative is responsible for their own workstation.
每个操作员都负责自己的工作站。
2.
特工, 侦探
a secret agent or detective
示例:
•
The intelligence agency sent an operative to gather information.
情报机构派出一名特工收集情报。
•
He worked as a covert operative for many years.
他担任秘密特工多年。
在 Lingoland 学习这个单词