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lignohumus的音標(biāo)：lignohumus的英式發(fā)音音標(biāo)為：[l?ɡn??h'ju:m?s]lignohumus的美式發(fā)音音標(biāo)為：[l?ɡno?h'jum?s]...

humus的音標(biāo)：humus的英式發(fā)音音標(biāo)為：['hju:m?s]humus的美式發(fā)音音標(biāo)為：['hjum?s]...

木素腐殖質(zhì)...

n.腐殖質(zhì)...

Earthworms consume large amounts of soil, and produce a rich humus, perfect in texture.蚯蚓吃下大量土壤，排出肥力豐富、物理結(jié)構(gòu)理想的腐殖質(zhì)。The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.缺少腐殖質(zhì)和...