单词
inefficacious
英 [,ɪnefɪ'keɪʃəs] 美
基本信息
英英释义
近义词worthless fruitless
  • adj. 无用的；无效果的

英文词源

inefficacious (adj.)
1650s, from in- (1) "not, opposite of" + efficacious. Related: Inefficaciously; inefficaciousness (1640s).
inefficacious相关单词
inefficacious
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