题目

英语翻译
地球总水量虽然巨大,但97.3%是人们尚不能直接利用的海洋咸水；淡水仅占2.7%,而对人类生活最密切的湖泊、河流和浅层地下水等淡水资源,仅占总淡水储量的0.34%,其中能够开采利用的又只有0.2%.世界淡水资源在时间和空间分布上极不均衡,使有限的淡水资源不能被充分利用.据统计,全世界有100多个国家缺水,严重缺水的已达40多个

提问时间：2020-12-08

答案

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