aquifer

名词 aquifer:

1. underground bed or layer yielding ground water for wells and springs etc

aq.ui.fer

n.（名词）
An underground bed or layer of earth, gravel, or porous stone that yields water.
地下蓄水层，砂石含水层：含有水的泥、砂砾或多孔石的地下河床或地层

【引伸】
aquif.erous