1. I tried to gauge the depth of her sleep by the rate of her respiration.
    我试图通过她的呼吸速率来测定她的睡眠深度。

1. 呼吸作用：植物甾醇的性质甾...第五章 植物的呼吸作用 第一节 呼吸作用的概念及其生理意义 呼吸作用(respiration)是氧化有机物并释放能量的异化作用(disassimilation) .

2. 呼吸,呼吸作用：resorption line 吸收线 | respiration 呼吸,呼吸作用 | respiration-apnae monitor 呼吸窒息监护仪

3. 一息：一逆 one mista ade in treatment | 一息 respiration | 一侧的 unilateral

1. 呼吸
    Your respiration is your breathing.

    e.g. His respiration grew fainter throughout the day.
           一天当中，他的呼吸越来越微弱。

1. the metabolic processes whereby certain organisms obtain energy from organic molecules
    processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs

    Synonym: internal respirationcellular respiration

2. the bodily process of inhalation and exhalation
    the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation

    Synonym: breathingexternal respirationventilation

3. a single complete act of breathing in and out

    e.g. thirty respirations per minute