In the meantime, with no mother to keep them warm as any other baby mammal would have, the little tree shrews need to heat themselves from their food.

• 在这48小时里，树鼩宝宝们只能靠吃下去的食物自己温暖自己，因为它们的妈妈不能像其它哺乳动物妈妈一样给自己的宝宝取暖。