| 单词 | efficacious |
| 释义 | efficaciousefficacious /ˌɛfəˈkeɪʃəs◂/ adjective formal producing the result that was intended, especially when dealing with an illness or a problem: More efficacious treatments may soon be available.—efficaciously adverb—efficacy /ˈɛfɪkəsi/ noun [uncountable] |
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