we made up for with intelligence and cunning. 我们用智慧和狡猾弥补
only small creatures had made it... 只有小型生物才活了下来
this group of ancient reptiles made a huge evolutionary step. 这群古代爬行动物 就迈出了巨大的进化步伐
they made up three-quarters of all vertebrate life on land, 它们占据了陆地脊椎动物的四分之三
What made them unique was their monumental scale. 其特点是规模极大
Others had made this transition before them. 其他动物先它们一步完成了这种转变