呼吸计

例句：

1. 1. The doctor used a respirometer to measure the patient's breathing rate.
   医生使用呼吸计测量病人的呼吸速率。
2. 2. The respirometer was used to study the effects of exercise on lung function.
   呼吸计被用来研究运动对肺功能的影响。
3. 3. The respirometer is an important tool for measuring air quality in indoor environments.
   呼吸计是测量室内空气质量的重要工具。