2. Breathing is an automatic function of the body. 呼吸是身体的一种无意识的功能。
3. Results All patients had the history of breathing difficulty before tracheomalacia. 结果气管软化患者术前均有呼吸困难病史。
英英解释
n.
1. the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air an
2. passing or able to pass air in and out of the lungs normally; sometimes used in combination