请输入您要查询的词汇:
词汇
efficacious
释义
ef.fi.ca.cious
[ˌɛfə`keʃəs; ˌefiˈkeiʃəs]
《efficacy 的形容词》
形容词
(文语)
1
< 药、治疗等> 生效的; < 措施、手段等> 有效的
(→ effective【同义字】)
2
[对…]有效的[against]
This medicine is ~ against heart disease.
这个药对心脏病有效
副词
~.ly
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