operative
[ADJ, NOUN]
1. （系统或服务）起作用的
A system or service that is operative is working or having an effect.
双语例句
例：The commercial telephone service was no longer operative.
商务电话服务已停止运营。
ADJ. 形容词
operatives
1. [C 可数名词] 技工
An operative is a worker, especially one who does work with their hands.
双语例句
例：In an automated car plant there is not a human operative to be seen.
在自动化汽车制造厂里，一个工人也看不到。
2. [C 可数名词] 特工人员
An operative is someone who works for a government agency such as the intelligence service.
双语例句
例：Naturally the CIA wants to protect its operatives.
中央情报局当然想保护自己的特工。
NOUN. 名词
the operative word
1. 关键词
If you describe a word as the operative word, you want to draw attention to it because you think it is important or exactly true in a particular situation.
双语例句
例：As long as the operative word is 'greed', you can't count on people keeping the costs down.
只要“贪婪”成为关键词，就别指望人们能降低成本。
PHRASE. 习语
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