operative
/ˈɑpərətɪv/
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adj./n. 運作中的；有效的；特務
- Although the lighthouse is no longer operative, tourists can still climb the stairs to the top. 雖然這座燈塔已經不再運作，遊客仍然可以爬樓梯到頂端。
其他意思
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adj. 運作中的, 有效的
A system or service that is operative is working or having an effect.[FORMAL]
- The commercial telephone service was no longer operative
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n.
An operative is a worker, especially one who does work with their hands.[FORMAL]
- In an automated car plant there is not a human operative to be seen.
也出現在：
字根
oper 工作
oper + at + ive工作 + — + 形容詞