柯林斯词典aquifer /ˈækwɪfə/ (aquifers) 1. N-COUNT In geology, an aquifer is an area of rock underneath the surface of the earth which absorbs and holds water. 地下蓄水层; 砂石含水层[技术] 返回 aquifer剑桥词典a layer of rock , sand , or earth that contains water or allows water to pass through it 含水土层，地下蓄水层，砂石含水层 返回 aquifer