当考虑水的实际体积时，问题变得更加复杂：每条支流会有多少水流进及流出呢？
The questions become more complicated when actual volumes of water are considered: how much water enters and leaves by each route?
相反，死海里没有生命，因为没有水流出去，这个湖是停滞不动的。
In contrast, nothing lives in the Dead Sea because, with no outflow, the lake has stagnated.
自然海水的盐度会使得半透膜内的纯水流出来，而植物和营养物依然留在膜内。
The natural salinity of the ocean will draw the freshwater out, retaining the plants and nutrients.
应用推荐