
好词典

源自古英语'forst'或'frost',与古高地德语'frost'同源,最终源自原始日耳曼语词根*frustaz,意为'冰冻'。
❶ 指天气现象中的霜冻,即气温降至冰点以下时,水蒸气在地面或物体表面凝结形成的白色冰晶。
“The early frosts damaged the crops.”
(早霜冻毁了庄稼。)
“Frosts are common in this region during winter.”
(这个地区冬天常有霜冻。)
❶ 指物体表面因低温而覆盖霜或结冰,或比喻因寒冷而变得僵硬或失去活力。
“The grass frosts over on cold nights.”
(寒冷的夜晚草地上会结霜。)
“Her breath frosted the window pane.”
(她的呼气使窗玻璃蒙上了霜。)
killing frost — 指足以冻死植物的严重霜冻,通常发生在春秋季节转换时。
“The killing frost ended the growing season early.”
(致命的霜冻提前结束了生长季节。)
frost over — 描述物体表面逐渐被霜覆盖的过程,也可比喻关系变得冷淡。
“The pond began to frost over as temperatures dropped.”
(随着温度下降,池塘开始结霜。)