The race was on to colonize this new world. 争夺新世界的竞赛已经开始

182. Not through gills but through primitive lungs.
     不是通过腮 而是通过原始的肺呼吸
183. Together, these evolutionary advances
     这些进化一起作用
184. allowed vertebrates to leave the water and explore the land.
     使脊椎动物能够离开水体并探索陆地
185. The race was on to colonize this new world.
     争夺新世界的竞赛已经开始
186. But it was already too late
     但对于这些叶鳍鱼来说
187. for these lobe-finned fish.
     已经太晚了
188. Others had made this transition before them.
     其他动物先它们一步完成了这种转变

来自《我们星球上的生命 第一季 第三集 Life on Our Planet S01E03 入侵大地》第 185 行