1、And more rain, rather than snow, when it falls onto freezing ground, forms a hard layer of ice that the animals simply can't push their noses through to feed.
hard[英][hɑ:d] [美][hɑː(r)d] 生词本简明释义adj.困难的;硬的;有力的;努力的adv.努力地;猛力地;严重地;沉重地n.英〉硬海滩,登陆处比较级:harder最高级:hardest易混淆的单词:HardHARD以下结果由 金山词霸 提供柯林斯高阶英汉词典 百科释义 短语词组 同反义词1.ADJ-GRADED硬的;坚硬的;坚固的Something that is hard is very firm and stiff to touch and is not easily bent, cut, or broken.He shuffled his feet on the hard wooden floor...他拖着脚在硬木地板上走动。