Last Updated：2025/11/21
Sentence
研究者たちはわずかな改善しか期待していなかったため、新しい治療法の有効性に驚いた。
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The efficacity of the new treatment surprised the researchers, who had expected only modest improvements.
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The efficacity of the new treatment surprised the researchers, who had expected only modest improvements.
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Related words
efficacity
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