effective

[i'fektiv]

adj.有效的, 生效的, 实际的

a.

1. 有效的[(+against/in)][+to-v]

Window screens are effective in keeping out mosquitoes.

纱窗能有效地挡住蚊子。

2. (法律等)生效的, 起作用的[Z]

A bill passed by congress becomes effective as soon as the President signs it.

国会通过的法案一经总统签署立即生效。

3. 给人深刻印象的, 有力的

That's rather an effective use of color.

那样使用颜色效果甚佳。

4. 实际的, 事实上的[Z]

Although there is a parliament, the army is in effective control of the country.

虽然有议会存在, 但军队实际上控制着这个国家。

5. 有战斗力的[Z]

n.

实际可作战的部队(或士兵)[P]

词形变化

名词: effectiveness |

词义辨析

同义:

a.有效的

effectual  efficacious  efficient  productive  successful

a.生效的, 灵验的

useful  serviceable  operative  practical  valid  functional  in effect

a.有力的, 印象深刻的

striking  impressive  telling  forcible  powerful  potent  

同义参见:

alive  proficient  significant  competent  fruitful  momentous  dramatic  forceful  weighty  

反义:

a.有效的

ineffective  

反义参见:

powerless  vain  

英英释义

形容词 effective:

producing or capable of producing an intended result or having a striking effect

同义词：effectual, efficacious

able to accomplish a purpose; functioning effectively

同义词：efficient

works well as a means or remedy

exerting force or influence

同义词：good, in effect, in force

existing in fact; not theoretical; real

ready for service

补充

effectiveeffective英:[iˈfektiv] 美:[ɪˈfɛktɪv]adj.1.有效的; 生效的These are effective measures.这些都是有效的措施。The medicine is effective against cancer.这药物治癌有效。2.事实上的, 实际的Her brother is the king, but she is the effective ruler.她的兄弟是国王, 但她才是实际的主宰者。3.给人印象深刻的The book has a very effective closing chapter.这本书的结尾一章给人印象极深。

例句

1. What is the most effective way of teaching children to read and write?用什么方法教孩子阅读与写作最有效？ 2. The vaccine is effective against the most common strain of the disease.疫苗可以有效防范这种最常见的疾病。 3. an effective public transport system有效运转的公共交通系统 4. He assumed effective command of the armed forces.他实际担任起了武装部队的指挥。 5. The rebels have been in effective control of the island since March.反叛分子自3月起就已实际控制了该岛。 6. The ceasefire will become effective as soon as it is accepted by the rebels.停火协议叛军一旦接受即告生效。 7. effective solutions to environmental problems.解决环境问题的有效办法。 8. the agreements will be effective from November.协议将于11月起生效。 9. the companies were under effective Soviet control.这些公司实际上由苏联控制。 10. an effective price of £176 million.1.76亿英镑的实际价格。 11. [sentence adverb]effectively, this means that companies will be able to avoid regulations.实际上，这就意味着公司将可能不受监管。 12. a medicine that is effective against the common cold能治好一般感冒的药物 13. That picture would look more effective on a dark background.那幅画要是用暗色的背景衬托，效果会更佳。 14. The soldiers gained effective control of the town.军队已取得该镇的实际控制权。 15. drugs effective in the treatment of a disease = drugs effective in treating a disease = drugs effective against a disease有效治疗一种疾病的药物 16. It's a simple but effective technique.这是简单但有效的技术。 17. He gave an effective speech.他做了一次有影响的演讲。 18. The law becomes effective [=the law takes effect; the law will start to be used] next year.这一法律明年开始生效。 19. the effective date of the law [=the day when the law starts to be used]法律的生效日期 20. "effective [=starting, as of] tomorrow, the store will be open until 8:00 p.m. every day."从明天起，商店每天将营业至晚8点。 21. "effective next month, the landfill will no longer accept old televisions."从下个月开始，这个垃圾填埋场将不再接收废旧电视机。 22. the effective tax rate实际税率 23. The army has taken effective control of the city.军方实际上已接管了这座城市。 24. The effectiveness of the drug was questioned.这种药的疗效受到质疑。