详细解释:n. 呼吸, 一口气, 呼吸作用
【化】 呼吸
【医】 呼吸[作用], 呼吸音
词型变化：
形容词:respira-tional英语解释：
名词 respiration:
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同义词：internal respiration, cellular respiration