porous stone的用法和样例：
例句
- 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
porous stone的相关资料：
临近单词
porous AAO
porous
porous layer open tubular column
porous cemented carbide material
Porous anodic alumina oxide film
Porous layer open tubular columns
porous powder metallurgy material
Porous calcium phosphate ceramics
porous zeolite granular adsorbent
porous branch rotating draft tube
porous and hierarchical structure
porous medium with large porosity
