respiration

英 [respɪ'reɪʃ(ə)n] 美[,rɛspə'reʃən]

• n. 呼吸；呼吸作用

1. the metabolic processes whereby certain organisms obtain energy from organic moelcules; 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

2. a single complete act of breathing in and out;

"thirty respirations per minute"

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