All 21 cases had dyspnea to varying degrees and pulmonary moist rales, their pulmonary alveolar respiratorysounds were weakened.
临床上2 1例均有呼吸困难，肺部有湿口罗音和（或）肺泡呼吸音减弱。
2
The way the diagnostic software works is by comparing the sounds of the mobile user's cough to a database of coughs associated with all the different types of respiratory diseases.
这款诊断软件的工作原理是，把手机用户的咳嗽和一个咳嗽数据库(和各种呼吸道疾病有关)进行对比。
3
Unusual as it sounds, a recent analysis shows secondhand smoke may harm areas other than the respiratory system in teens.