https://blog.wongcw.com/2021/07/14/%e7%82%ba%e4%bb%80%e9%ba%bc%e8%aa%aa%e9%b3%a5%e9%a1%9e%e5%b0%b1%e6%98%af%e6%81%90%e9%be%8d%ef%bc%9f/
為什麼說鳥類就是恐龍?