柯林斯英汉双解大词典
solum /ˈsəʊləm/
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1.
N the upper layers of the soil profile, affected by climate and vegetation 土壤表层
双语例句权威例句
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In treating water leakage of reservoir, slurry emitting from solum may occur during leakage stoppage by pressurized water.
在带压力水进行灌浆堵漏施工以处理水库漏水时，会遇到土层冒浆问题。
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Because of thin solum and lower soil loss tolerance, the ecosystem in Karst region is very fragile. The vegetation is difficult to recover after destruction.
喀斯特区由于土层薄、土壤允许流失量低，生态系统十分脆弱，植被破坏后难以恢复。
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