respiratory coefficience

例句：

1. 1.The respiratory coefficient is a measure of how much oxygen the lungs can deliver to the body.
   呼吸系数是衡量肺部能向身体输送多少氧气的一个指标。
2. 2. The respiratory coefficient is affected by factors such as altitude and air pollution.
   呼吸系数受到海拔和空气污染等因素的影响。
3. 3.Inhaling fresh air can help improve the respiratory coefficient, which can lead to better health outcomes.
   吸入新鲜空气可以帮助提高呼吸系数，从而改善健康状况。