记忆方法
记忆单词“operative”的最简单方法是将其分解为“oper”和“-ative”。想象一个“oper”系统正在发挥作用，带有“-ative”后缀，表示它是活跃的、正在运作的。这样可以将“operative”理解为“运作中的”、“有效的”。
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词族 · operative
词形变化
中文词源
operative 运转的，操作的
来自operate,运作，操作。
英语词源
- 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).
权威例句
- 1. Her aggressive moods alternated with gentle or more co-operative states.
- 她情绪多变，时而咄咄逼人，时而又显得温柔平和或乐于合作。
- 2. The Youth Training Scheme was operative by the end of 1983.
- 青年培训计划一直持续到1983年底。
- 3. They decided a housing co-operative was the way to regenerate Ormiston Crescent.
- 他们最终决定通过住房合作社来重建奥米斯顿月牙街。
- 4. The restaurant is run as a co-operative.
- 这家饭店是合作经营的。
- 5. I made every effort to be co-operative.
- 我尽了最大努力配合。