nonporous

As for your cutting board, use glass or plastic, both of which are nonporous and most resistant to germs.

玻璃或塑料材质的切菜板不会渗漏，预防细菌滋生效果最好。

The nonporous and nonreactive hard-anodized surface resists sticking and doesn't affect the flavor or color of food.

无孔和无反应的硬阳极氧化表面抗粘，不影响味道或颜色的食物。

If half of your landscaped areas are paved or covered with nonporous materials, precipitation will drain to other to drain to planted soil areas.

如果您的花木种植区一半的道路，或与无孔材料覆盖，降水将流失到其他排的种植面积的土壤。