It most likely happened after a cataclysmic comet or an asteroid impact 65 million years ago.
It most likely happened after a cataclysmic comet or an asteroid impact 65 million years ago.
恐龙灭绝很可能发生在6,500万年前，由于一颗彗星或者一颗小行星撞击地球所发生的毁灭性灾难。
It most likely happened after a cataclysmic comet or an asteroid impact 65 million years ago.
恐龙灭绝很可能发生在6,500万年前，由于一颗彗星或者一颗小行星撞击地球所发生的毁灭性灾难。