efficacious是什么意思_英语efficacious中文翻译_牛津英汉词典_英语词典

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efficacious efficacious
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◙ adjective
1. [formal] (typically of something inanimate or abstract) successful in producing a desired or intended result; effective
• [正式] （尤指无生命或抽象事物）有效的，灵验的
 »this treatment was efficacious in some cases.
  该疗法有时有效。♦ efficaciously adverb
♦ efficaciousness noun1. early 16th cent.: from Latin efficax, efficac- (from efficere 'accomplish': see effect) + -ious

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