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Operative Sense 无 ɔpərətiv A.(计划等)实施中的;生效的 英 Adj 计划等)实施中的

单词 operative
音标 ['ɔpərətiv]
解释 a.(计划等)实施中的;生效的
红宝书 【英】 adj. (计划等)实施中的; 生效的(effective)
【记】 oper(做)+ative→在 做的→在实施中的
【同】 同根词:operose(费 力的);opus(作品, 大作)
【例】 The airport is operative again after the bad weather.
字源 operative (adj.)
"producing the intended effect," early 15c., from Old French operatif (14c.) or directly from Late Latin operativus "creative, formative," from operat-, past participle stem of operari (see operation). Weakened sense of "significant, important" is from 1955.
operative (n.)
"worker, operator," 1809, from operative (adj.); sense of "secret agent, spy" is first attested 1930, probably from its use by the Pinkerton Detective Agency as a title for their private detectives (1905).
不择手段背单词
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