refreezing

Thawing and refreezing each year, an active layer of soil lies over permafrost.

覆盖在永冻层上方的一层活冻层土壤,每年都会融化和重新冻结.

期刊摘选

Arctic sea ice follows an annual cycle of melting and refreezingmeltingand refreezing in the winter.

北冰洋的海冰,有融化和重新凝结的一年周期,夏融冬凝.

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