基本解释n.效力；潜能；权力同根派生 英汉例句用作名词 (n.)Alcohol increases the drug's potency.酒精能增加这种毒品的效力。If you keep a medicine too long, it may lose its potency.药物存放太久，可能会失去效力。Vanity is a motive of immense potency.虚荣心是一个有着极大潜力的动机。