humic ['hju:mɪk]

例句:

• Its humic acid liquid fertilizer is exported to more than 13 countries.
  来自FORBES
• They believe that the humic materials are leached from decaying plant materials.
  他们认为腐植物料是从腐烂的植物体浸沥而来.
  
• Humic acids are usually regarded as polymers of aromatic compounds.
  腐殖酸通常被看作是芳烃化合物的聚合物.
  
• Humic substances are known to coat membrane filters.
  腐殖质是已知能够覆盖滤膜的物质.