1. Most of the world's potable water—freshwater suitable for drinking—is accounted for by groundwater, which is stored in the pores and fractures in rocks. 世界上大部分的饮用水——适合饮用的淡水——是由地下水提供的，它储存在岩石的孔隙和裂缝中。
2. This type of silicone is safe for potable water. 所用的硅胶是饮用水安全型硅胶。
3. Sea water can be used for a supply of potable water if it can be '. 如果能把海水中的盐分离出来，就可以把海水用作使用水。
4. It was, however, the sole source of potable under water in the region. 但是，它是这一地区唯一的饮用水源。
5. In places where the water is not potable , they set up purifying systems. 在那些水质不干净的地方，他们造了过滤器。
