efficiency

【发音】

美 /ɪˈfɪʃənsɪ/ 英 /ɪ'fɪʃnsi/

【翻译】

1. n. 效率； 功效， 效能

   英释:the quality of doing something well and effectively, without wasting time, money, or energy

【记忆】

ef(出) ＋ fic(做) ＋ ency → 效率， 功效

【短语】

1. high efficiency : 高效率

2. production efficiency : 生产效率

3. work efficiency : 工作效率；劳动效率；加工效率

4. economic efficiency : 经济效率

5. energy efficiency : 能源效率；能量效率

6. improve efficiency : 提高效率

7. removal efficiency : 去除效率

8. thermal efficiency : 热效率

9. conversion efficiency : 换能效率

10. operating efficiency : 营业效率，经营效率；工作效率

11. operational efficiency : 经营效率；运作效率

12. transfer efficiency : 转换效率；传输效率；合金过渡系数

13. increase efficiency : 提高效率

14. current efficiency : 电流效率

15. economical efficiency : 经济效率，经济效果；经济有效

16. transmission efficiency : 传输效率，通话效率

17. learning efficiency : 学习效率

18. recovery efficiency : 采收率；回收效率

19. computational efficiency : 计算效率

20. displacement efficiency : 驱替效率；置换效率；洗油效率

【例句】

1. considerable advancements in energy efficiency

   能源效率的显著提高

【真题例句】

1. (2016.6 • CET6 • 第二套 • 阅读理解)...She borrowed the principle of efficiency on the factory floor and applied it to domestic tasks on the kitchen floor...

2. (2016.6 • CET6 • 第二套 • 阅读理解)...designed to enhance the efficiency of a woman's work and promote order...

3. (2016.6 • CET6 • 第二套 • 阅读理解)...who set about enhancing the efficiency of the housewife...

4. (2014.12 • CET6 • 第三套 • 阅读理解)...increase energy efficiency or improve resource productivity...

5. (2014.12 • CET6 • 第三套 • 阅读理解)...It suggests that one of the biggest levers for delivering this opportunity is "increased efficiency through management and behavioural change" — in other words...

6. (2009.12 • CET6 • • 阅读理解)...That staff can do this without needing a fixed telephone line provides even more efficiency savings...

【同、近义词】

1. n.效率；效能；功效

   virtue/potency/

【同根词】

1. adj

   efficient : 有效率的；有能力的；生效的

2. adv

   efficiently : 有效地；效率高地（efficient的副词形式）

3. n

   efficacy : 功效，效力