be efficacious in (doing) sth
常用于描述在某个方面的效果。
The treatment is efficacious in reducing symptoms.
这种治疗在减轻症状方面是有效的。
有效;灵验
先理解核心含义,再看它在真实句子里的用法。
有效;灵验
able to produce the intended effect; effective
The treatment is efficacious in reducing symptoms.
这种治疗在减轻症状方面是有效的。
具有产生预期效果的能力的特质
marked by qualities giving the power to produce an intended effect; -Aldous Huxley
产生或能够产生预期结果或具有显著效果
producing or capable of producing an intended result or having a striking effect; -LewisMumford
The herbal tea proved efficacious in relieving my headache.
这种草药茶被证明对缓解我的头痛很有效。
AI contextual example
Doctors are still looking for an efficacious treatment for this rare condition.
医生们仍在寻找治疗这种罕见病的有效方法。
AI contextual example
This simple method is more efficacious than the expensive one we tried before.
这个简单的方法比我们之前试过的昂贵方法更有效。
AI contextual example
written propaganda is less efficacious than the habits and prejudices...of the readers
书面宣传不如读者的习惯和偏见......有效。
WordNet
常用于描述在某个方面的效果。
The treatment is efficacious in reducing symptoms.
这种治疗在减轻症状方面是有效的。
用于说明对某事物或某人有效。
This medicine is efficacious for treating headaches.
这种药对治疗头痛是有效的。
常指对抗疾病等。
The vaccine is efficacious against the new strain.
该疫苗对新毒株是有效的。
Not this
The efficacious of the drug is proven.
Use this
The efficacy of the drug is proven.
efficacious 是形容词,不能作名词。应使用名词形式 efficacy 表示‘效力,效能’。
Not this
The new machine is more efficacious than the old one.
Use this
The new machine is more efficient than the old one.
efficacious 指‘有效的,灵验的’,强调效果;efficient 指‘高效的’,强调效率。描述机器性能应使用 efficient。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
非常有效的;高效能的
The new drug has been highly efficacious in treating malaria.
这种新药在治疗疟疾方面非常有效。
证明有效;见效
The new strategy proved efficacious in boosting sales.
新策略被证明能有效提升销售额。
有效的疗法;灵验的疗法
This herbal tea is an efficacious remedy for a mild cough.
这种草药茶是治疗轻微咳嗽的有效方法。
有效手段
Regular exercise is an efficacious means of relieving stress.
经常锻炼是缓解压力的有效手段。
Use efficacious naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
efficacious 像 effective 的兄弟,-acious 表示“多”;想到药效多多、灵验有效。
语域:formal 常见场景:formal writing、medical or scientific discourse、legal or administrative text 该词比较正式,多用于书面语或正式场合,尤其在医学、学术或法律类文本中比较常见;日常口语通常用 effective 或 works 来表达。
以 -acious 结尾的词(spacious、gracious、tenacious、voracious)与 efficacious 押韵,都读 /eɪʃəs/。注意 -icious 结尾的词(suspicious、delicious)拼写相似,但读 /ɪʃəs/,并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.