efficacy
英 ['ef?k?s?]
美 ['?f?k?si]
助記提示
1. ef- "out" + fic- + -acy. 在這里取 out 的引申義：完成、結束(finish, end)之意。
2. meaning: 事情做完了，事情做結束了. => work out, accomplish.
3. => 引申為：事情做完、做結束后的效果。=> 效果、功效。
中文詞源
efficacy 功效ef-, 向外。-fic, 做，詞源同fact, effect.
英文詞源
- efficacy (n.)
- 1520s, from Latin efficacia "efficacy, efficiency," from efficax (genitive efficacis) "powerful, effectual, efficient," from stem of efficere "work out, accomplish" (see effect (n.)). Earlier in same sense was efficace (c. 1200), from Old French eficace (14c.), from Latin efficacia; also efficacite (early 15c.), from Latin efficacitatem.
雙語例句
- 1. Recent medical studies confirm the efficacy of a healthier lifestyle.
- 最新醫學研究證實了較為健康的生活方式的好處。
來自柯林斯例句
- 2. This plan would have some efficacy in preventing any danger.
- 這計劃對于防止危險會有些效力.
來自《現代英漢綜合大詞典》
- 3. The treatment has no efficacy in that disease.
- 這種療法對那種疾病不管事.
來自《現代漢英綜合大詞典》
- 4. Self - efficacy ( SE ) is being applied into computer use, which was defined as computer self - efficacy ( CSE ).
- 計算機 自我 效能感 ( computer self -efficacy, CSE ) 是自我效能感理論在計算機培訓 、 計算機輔助技術使用等行為活動中的應用.
來自互聯網
- 5. The most commonly cited reasons for stopping the treatment were lack of efficacy and side effects.
- 最常舉出的停止這種治療的理由是無效和副作用.
來自《簡明英漢詞典》