| 例句 |
Oil-yielding organic matter is contained in the shales.在这些页岩里有产油的有机物质。Coal is formed naturally from decomposed organic matter.煤是由分解的有机物质自然形成的。Bacteria and fungi help decompose organic matter.细菌和真菌能促使有机物的腐败。You can improve the soil by adding composted organic matter.你可以通过添加有机堆肥改良土壤。 |