frost

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【释义】：

Ⅰ n．严寒；冰冻；霜Ⅱ v．结霜于…上，冻伤

be bitten by frost被冻伤

early frosts早寒；秋寒

frost bite冻疮

hard(sharp)frost酷寒

late frosts春寒；晚寒

Frost bite chiefly occurs at the exposed parts of the hand，foot，auricles，etc．冻疮多发于手、足和耳廓等暴露部位。