1. The respirometer is a device used to measure the amount of oxygen consumed during respiration.
呼吸测定仪是一种用来测量呼吸过程中消耗的氧气量的装置。
2. The scientist used a respirometer to study the respiration rates of different organisms.
科学家使用呼吸测定仪研究不同生物的呼吸速率。