问题标题:
seaottershaveverylittlefat.inordertoadapttothecoldwatertemperatureduringthewinterperiod,theyhaveverydensefurredskin,whichactsasgreatinsulator.4546
问题描述:

seaottershaveverylittlefat.inordertoadapttothecoldwatertemperatureduringthewinterperiod,theyhaveverydensefurredskin,whichactsasgreatinsulator.4546

梁艳阳回答:
  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.
查看更多
英语推荐
热门英语推荐