humic compounds

• 腐殖质

humic compounds的用法和样例：

例句

1. Humic substances are known to coat membrane filters.
   腐殖质是已知能够覆盖滤膜的物质。
2. Soil humic substance is an important natural pool of THM precursors in raw waters.
   土壤腐殖质是水源三卤甲烷前驱物质的重要天然来源。