臭美的小女人
efficacy； effectiveness； effect
测试药的功效
measure the efficacy of a drug
立见功效
immediate/instant effect
例句：
效能有功效的特征或性质The quality or property of being efficient.
有氧健身法旨在增强循环和呼吸功效的生理调节体系，包括有力的、持久的锻炼，例如慢跑、游泳或骑自行车，从而提高肌体对氧气的利用A system of physical conditioning designed to enhance circulatory and respiratory efficiency that involves vigorous, sustained exercise, such as jogging, swimming, or cycling, thereby improving the body's utilization of oxygen.
