operative
🇬🇧/ˈɒpərətɪv/ 🇺🇸/ˈɑːpərətɪv/📚 10565 30 2六级GRE托福A system or service that is operative is working or having an effect. (系统、服务) 起作用的
adjective [原级]运转正常的,有效的;手术的;(词)最重要的,关键的
The commercial telephone service was no longer operative.
商业电话服务不起作用了。
noun [专属名词]技工,工人;密探,(尤指政府的)特工人员
In an automated car plant there is not a human operative to be seen.
在全自动汽车制造厂,一个工人也看不到。
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