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niacin例句_niacin英汉例句_niacin双解例句_菜篮子兴趣思朗文词典
菜篮子兴趣思朗文词典

niacin

N 开头单词

常见例句

    用作名詞 (n.)

  • Niacin is found in meat, fish and green vegetables.
    肉類，魚類和綠色蔬菜中發現有菸酸。
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