effective
英 [ɪˈfektɪv]
美 [ɪˈfektɪv]
adj. 产生预期结果的; 有效的; 实际的; 事实上的; 生效的; 起作用的
n. [军]现役兵额; 有生力量; 精兵
Oxford 3000 / Collins.4 / BNC.1007 / COCA.1133
同义词辨析
effectiveeffectualefficient【导航词义：有效的】
effectiveadj. 有效的，起作用的
〔辨析〕
指有效用的或能产生预期效果的。
〔例证〕
The government took effective measures to reduce the price.
政府采取了有效措施来降低物价。
The talks between both sides were effective in settling their disputes.
双方会谈有效地解决了彼此间的纠纷。
政府采取了有效措施来降低物价。
The talks between both sides were effective in settling their disputes.
双方会谈有效地解决了彼此间的纠纷。
effectualadj. 〈正式〉有效果的，有实效的
〔辨析〕
指产生希望或想要的结果的，只用于事物，如举措、药物、对策等。
〔例证〕
The government hasn't worked out the effectual measures to combat unemployment.
政府尚未找到应对失业的有效措施。
Quinine is an effectual preventive for malaria.
奎宁是预防疟疾的有效药物。
政府尚未找到应对失业的有效措施。
Quinine is an effectual preventive for malaria.
奎宁是预防疟疾的有效药物。
efficientadj. 有效率的，高效能的
〔辨析〕
既可指人也可指事物，强调不浪费时间、金钱、能源等的。
〔例证〕
She is an efficient secretary.
她是一位得力的秘书。
The diesel engine is highly efficient.
这台柴油机效率很高。
她是一位得力的秘书。
The diesel engine is highly efficient.
这台柴油机效率很高。
牛津词典
adj.
- 产生预期结果的；有效的
producing the result that is wanted or intended; producing a successful result- Long prison sentences can be a very effective deterrent for offenders.
判处长期徒刑可对违法者起到强有力的威慑作用。 - Aspirin is a simple but highly effective treatment.
阿司匹林药片治疗方法简便，效果却非常显著。 - drugs that are effective against cancer
治疗癌症的有效药物 - I admire the effective use of colour in her paintings.
我很欣赏她绘画作品中的色彩效果。
- Long prison sentences can be a very effective deterrent for offenders.
- 实际的；事实上的
in reality, although not officially intended- the effective, if not the actual, leader of the party
虽未居其位却实际上是党的领导人 - He has now taken effective control of the country.
他目前已有效地控制了这个国家。
- the effective, if not the actual, leader of the party
- 生效的；起作用的
coming into use- The new speed limit on this road becomes effective from 1 June.
这条路上新的限速规定自6月1日起生效。
- The new speed limit on this road becomes effective from 1 June.
柯林斯词典
- ADJ-GRADED 有效的;能产生预期效果的
Something that iseffectiveworks well and produces the results that were intended.- The project looks at how we could be more effective in encouraging students to enter teacher training...
该项目着眼于我们如何能够更加有效地鼓励学生参与教师培训。 - Simple antibiotics are effective against this organism...
一般的抗生素能够有效对抗这种微生物。 - ...an effective public transport system.
有效运转的公共交通系统
- The project looks at how we could be more effective in encouraging students to enter teacher training...
- ADJ 实际的;事实上的
Effectivemeans having a particular role or result in practice, though not officially or in theory.- They have had effective control of the area since the security forces left.
自从安全部队撤离后，他们实际上控制了该地区。 - ...a restructuring that would have resulted in an effective increase on one of their most popular excursion fares.
原本会使他们最热门的一条短途旅游线路的费用出现实质性上涨的调整
- They have had effective control of the area since the security forces left.
- ADJ （法律、协议等）生效的，起作用的
When something such as a law or an agreement becomeseffective, it begins officially to apply or be valid.- The new rules will become effective in the next few days.
新规定将在几天后生效。
- The new rules will become effective in the next few days.