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n (1) 1) 冰點以下的溫度(weather when the air temperature is below that at which water freezes) [U]：a temperature of five degrees of～冰點下五攝氏度的氣溫;There was a～this morning. 今晨有輕霜凍。be killed by～死于霜凍; 2) 冰凍，嚴寒 (period of frost) [C]：There was a heavy/severe/hard～yesterday.昨天有嚴重的霜凍。have several～s 有數(shù)次嚴寒;early/late～s 早(秋)/晚(春)寒;

(2) 霜(white powdery substance that covers the ground roofs，etc when the air temperature falls below the freezing-point of water) [U]：(ground/grass/windscreen) be covered with～(地面/草/汽車擋風(fēng)玻璃上)復(fù)蓋著一層霜;The～is still on the grass. 草上仍有霜。

→′frost-bite n 凍傷(瘡);′frost-bitten adj 凍傷的;′frost-bound adj(土地)冰凍的;′frosty adj 嚴寒(霜凍)的;′frostily adv 嚴寒地;′frostiness n 嚴寒，霜凍;

vt (1) 結(jié)霜于……上(become covered with frost) [T+n]：～the windows窗戶上結(jié)霜;～ed pavements結(jié)了一層霜的人行道;

(2) 將……變成霜狀表面(make sth (esp glass) look as if it is covered with frost) [T+n]：(cocktail glass) be～ed with sugar(雞尾酒杯)沾滿了糖;～ed glass/window panes磨砂玻璃/窗玻璃;

frost over/up (v adv) 被霜覆蓋(vi)：The fields/car windscreen～ed over. 田地/汽車擋風(fēng)玻璃上結(jié)了一層霜。The car windscreen/window has～ed up. 汽車擋風(fēng)玻璃/窗玻璃上結(jié)了一層霜。