sea otters have very little fat.in order to adapt to the cold water temperature during the winter period,they have very
问题描述：
sea otters have very little fat.in order to adapt to the cold water temperature during the winter period,they have very dense furred skin,which acts as great insulator.4546
答
海獭有很少的脂肪.为抵御冬季寒冷的水温,他们皮肤上长着稠密的软毛,而这种软毛又具有很强的保暖作用.