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小测验：选择正确的单词
- 论坛新贴
efficacious [efi'keiʃəs]
基本释义
- a. 有效的,灵验的
词形变化
- 名 词：ef'fi·ca'cious·ness副 词：ef'fi·ca'cious·ly
参考例句
- This medicine is efficacious against heart disease.
这个药封心脏病有效。 - Vaccination for smallpox is efficacious.
种牛痘防天花是有效的。
- This medicine is efficacious against heart disease.
英英解释
2个形容词解释
- marked by qualities giving the power to produce an intended effect
[反] inefficacious
[例]- written propaganda is less efficacious than the habits and prejudices...of the readers
- the medicine is efficacious in stopping a cough
- producing or capable of producing an intended result or having a striking effect
[同] effective, effectual, efficacious
[反] ineffective, ineffectual, uneffective
[例]- an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation
- effective teaching methods
- effective steps toward peace
- made an effective entrance
- his complain
- marked by qualities giving the power to produce an intended effect