marked by qualities giving the power to produce an intended effect;
"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;
"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 complaint proved to be effectual in bringing action"
"an efficacious law"
efficacious的用法和样例:
例句
用作形容词 (adj.)
Vaccination for smallpox is efficacious. 种牛痘防天花是有效的。
This medicine is efficacious against heart disease. 这个药封心脏病有效。
The medicine is efficacious in stopping a cough. 这种药在止咳方面很灵验。