更新时间：2024-05-15 15:34:23作者：留学之路
As the severity of the obstruction to expiratory flow increases, patients become increasingly dyspneic.
随着呼气性阻塞越来越严重, 病人的呼吸困难也逐渐加重.
来源：互联网The next morning the patient became extremely dyspneic and weak.
第2天早晨,病人呼吸变为非常困难和衰弱.
来源：互联网