efficacious
含义: Successful in producing the desired or intended result; effective, particularly in relation to treatments, remedies, or interventions.
Efficacious is a more formal and precise synonym for 'effective,' used predominantly in medical, pharmaceutical, and scientific contexts. A drug is 'efficacious' when clinical trials demonstrate it achieves its intended therapeutic outcome. The noun 'efficacy' is far more common than the adjective and appears in policy documents, academic papers, and regulatory language. Unlike 'efficient' (which concerns resource use), 'efficacious' is purely about achieving results.
例句
- The vaccine proved highly efficacious in preventing severe illness across all age groups. 该疫苗在所有年龄层中被证明对预防重症高度有效。La vacuna demostró ser altamente eficaz en la prevención de enfermedades graves en todos los grupos de edad.そのワクチンは、すべての年齢層において重症化の予防に高い効能を示した。그 백신은 모든 연령층에서 중증 질환 예방에 높은 효능을 보였다.
- Several less costly but equally efficacious alternatives were available to the health service. 医疗服务机构可以使用几种成本更低但同样有效的替代方案。El servicio sanitario disponía de varias alternativas menos costosas pero igualmente eficaces.医療サービスには、より低コストでありながら同等に有効な代替手段がいくつか存在した。의료 서비스에는 비용이 더 저렴하면서도 동등한 효능을 가진 대안이 여러 가지 있었다.
- The committee examined whether the proposed sanctions would be efficacious in changing the regime's behaviour. 委员会审查了拟议的制裁措施是否能有效改变该政权的行为。El comité examinó si las sanciones propuestas serían eficaces para modificar el comportamiento del régimen.委員会は、提案された制裁がその政権の行動を変える上で効力を持つかどうかを検討した。위원회는 제안된 제재가 해당 정권의 행동을 변화시키는 데 실효성이 있을지 검토했다.
发音
用法指南
语境: medical, scientific, academic
语气: neutral
起源与历史
From Latin efficax (powerful, effectual), from efficere (to accomplish), from ex- (out) + facere (to make, to do). Entered English in the 16th century, primarily in medical and theological writing.
文化背景
Era: Modern
Generation: All ages
Social background: Universal
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