Hosted on MSN3mon
奇特的鸭嘴兽，到底是鸭还是兽？1 鸭嘴兽长啥样？ 它是现存最古老且历经演化，仍不曾改变的哺乳动物。作为少有的卵生哺乳类动物，鸭嘴兽用肺部呼吸，是鸭嘴兽科鸭嘴兽属的 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible resultsSome results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback