porous stone的用法和樣例：
例句
- An underground bed or layer of earth, gravel, or porous stone that yields water.
地下蓄水層，砂石含水層含有水的泥、砂礫或多孔石的地下河床或地層
porous stone的相關資料：
臨近單詞
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
