adj.吐氣的;呼氣的
The primary outcome was morning peak expiratory flow (PEF). 主要轉(zhuǎn)歸是早晨峰呼氣流速(PEF)。
First second forced expiratory volume accounts for the percentage of FVC. 第一秒用力呼氣量占用力肺活量的百分率。