And the doctor has her sit down, and he takes her peak expiratory flow rate -- which is essentially her exhalation rate, or the amount of air that she can breathe out in one breath.
Liječnik ju posjeda, i mjeri vrh njezinog izdisajnog protoka zraka -- što je u stvari brzina njezinog izdisaja, ili količina zraka koju može izdahnuti u jednom dahu.