respiratory efficiency的用法和樣例：
例句
- 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.
有氧健身法旨在增強循環和呼吸功效的生理調節體系，包括有力的、持久的鍛煉，例如慢跑、游泳或騎自行車，從而提高肌體對氧氣的利用
