Finally, there's capillary permeability or leakiness which affects how easily fluid is actually able to get through.

最后一个因素是毛细血管通透性，反映液体通过毛细血管膜的难易程度。

To understand pulmonary edema, let's first talk about the three main factors that determine how fluid moves between the capillaries and interstitial fluid, which are the hydrostatic pressure, oncotic pressure and capillary permeability.

为了解肺水肿，我们首先讲讲决定液体如何在毛细血管和间隙之间移动的3个主要因素：1.流体静压，2.胶体渗透压，3.毛细血管通透性。