bearskin['bεəskin]n.1.■熊毛皮2.■熊毛皮制品(如熊皮毯、皮衣)3.■(英国禁卫军等戴的)熊皮高帽4.■粗厚羊毛大衣呢sell the bearskin before one has caught the bear[谚语]熊未捕到先卖皮(指过早乐观)卖空