英語翻譯地球總水量雖然巨大,但97.3%是人們尚不能直接利用的海洋鹹水；淡水僅占2.7%,而對人類生活最密切的湖泊、河流

題目：

英語翻譯
地球總水量雖然巨大,但97.3%是人們尚不能直接利用的海洋鹹水；淡水僅占2.7%,而對人類生活最密切的湖泊、河流和淺層地下水等淡水資源,僅占總淡水儲量的0.34%,其中能夠開採利用的又只有0.2%.世界淡水資源在時間和空間分布上極不均衡,使有限的淡水資源不能被充分利用.據統計,全世界有100多個國家缺水,嚴重缺水的已達40多個

解答：

Earth's water is great, but 97.3% is that people still can not directly use the sea salt; freshwater only 2.7%, while the closest to human life, lakes, rivers and shallow groundwater and other freshwater resources, only the total fresh water reserves 0.34%, which can be another exploitation of only 0.2%. World's freshwater resources in time and space distribution is extremely uneven, so that the limited freshwater resources can not be fully utilized. According to statistics, more than 100 countries around the world short of water, serious water shortage has reached more than 40