美
[ˌefɪ'keɪʃəs]
"written propaganda is less efficacious than the habits and prejudices...of the readers"
"the medicine is efficacious in stopping a cough"
"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"
At present there is no convincing evidence that psychoanalytic treatment as such is efficacious.
出自： P. Medawar
