effective

Condoms are an effective method of birth control if used with care.

如果使用得当，避孕套是很有效的避孕手段。

This is an effective medium.

这是一种有效手段.

The President's speech was an effective apology for his foreign policy.

总统的演说是对其外交政策的有力辩护.

This has proved an effective preventive.

这种药证明是很有效的预防剂.

He called on the United States to play a more effective role in bringing peace to the region.

他呼吁美国在实现该地区的和平方面发挥更加富有成效的作用。

He is one of the most effective writers of our group.

他是我们组的笔杆子之一.

They have thought out the effective saving.

他们已想出挽救的办法.

The description of the fire is very effective.

对大火的描述极其生动.

The medicine is effective against cancer.

这药物治癌有效.

It was said that she was as effective as god , bringing the dying back to life.

她是个妙手回春的民间医生.

Roll on the day someone develops an effective vaccine against malaria.

盼望有一天有人会研制出一种能有效预防疟疾的疫苗。

This medicine is effective if used within three years.

这种药3年以内有效.

Women are sometimes seen to be less effective as managers.

女性有时被认为不善于管理。

MDT is an effective treatment and could cure all the leprosy sufferers worldwide.

联合化疗是一种有望治愈全世界所有麻风病患者的有效治疗方法。

The press did a very effective hatchet job on her last movie.

新闻界对她新近拍摄的电影大加诋毁。

Many remedies effective in joint disease are primarily diuretic.

许多对关节病有效的药品主要含有利尿成分。

Royal jelly is effective in treating nervous exhaustion.

蜂皇精治神经衰弱很有效.

Television is an effective means of communication.

电视是一种有效的通信手段。

When it is done properly, arts sponsorship can be more effective than advertising.

如果方式得当的话，艺术赞助可能比做广告更有效。

The government has already adopted effective measures against piracy.

政府已采取有效措施惩治盗版行为.

His efforts to stem the tide of violent crime have been as effective as Canute's.

他遏制暴力犯罪增长的努力一直是螳臂当车。

Needs assessment is crucial if the hospital is to deliver effective health care.

医院要提供有效的卫生保健,需求评估是关键.

The Secretary General says the declaration must now be backed up by concrete and effective actions.

秘书长说现在必须将宣言付诸具体有效的行动。

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 united effort is always more effective than an isolated complaint.

联合行动总是比单个人抱怨更有效。

It would be unfair to suggest that he will be no more effective than his predecessors.

暗示他不会比前任们更有作为是不公平的。

Thanks to recent research, effective treatments are available.

多亏近来的研究才有了有效的疗法。

Dark glasses are an effective shield against the glare.

墨镜能有效地遮挡强光.

To link work at selected spots with that in entire areas is a very effective working method.

点面结合是一个很有效的工作方法.

It is an effective treatment for the bacteria and does kill it off.

这是杀菌的特效药，能将其全部消灭。