submarine humus
英
美
- 海底腐殖质
双语例句
- The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.
缺少腐殖质和过度淋滤使这种土壤对农业几乎无用。 - The humus properties and mineral composition of clay have the distinct features of zonality.
腐殖质性质及矿物组成具有明显的地带性烙印。
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