蔡慎坤 0 关注者 关注 4个月前 乌鸦觅食。乌鸦为了吃到核桃,可以说绞尽脑汁,甚至不惜冒了生命危险,那么人呢。 Crows forage for food. In order to eat walnuts, crows rack their brains and even risk their lives. What about humans? 前往原网页查看