Fresh Water
淡水
Fresh water comes from ponds, lakes, rivers and streams.
淡水來自于池塘、湖泊、河流和溪流。
People use fresh water for drinking, farming and so on.
淡水可用于飲用、耕種等等。
People can only drink fresh water.
人們只能飲用淡水。
People should drink 2 liters of water every day to make their bodies healthy.
人們每天需要飲用2公升淡水來保證身體健康。
Believe it or not, 18 percent of the world's population does not have enough drinking water.
不管你相不相信,世界上18%的人口缺乏足夠的飲用水。
Therefore, people should try to protect fresh water on Earth.
因此,人們要保護地球的淡水資源。