porous nature的用法和樣例：
例句
- The porous nature of the saprolite is directly related to the high porosity of Andisols in this study area.
腐石之多孔性特性則直接與此研究區灰燼土之高孔隙率有關(guān)。 - Oil is usually found in porous rock under a layer of impermeable rock which prevents it from escaping.
石油通常存在于多孔性的巖石中，上面覆蓋著(zhù)不可滲透的巖層，使石油不致散失。
