tophaceous

例句：

1. 1. The soil is tophaceous and can be easily compacted.
   土壤是多孔的，很容易压实。
2. 2.The tree has a tophaceous bark that protects it from the elements.
   这棵树有一层多孔的树皮，可以保护它免受各种因素的影响。
3. 3.The sandstone is tophaceous and can be used for building houses and roads.
   砂岩是多孔的，可以用来建造房屋和道路。