名词

1. 呼吸
Your respiration is your breathing.

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