Like the three-meter-long Anthracosaurus... 比如三米长的石炭鲵 ...that had already found its feet. 已经长出腿来 The evolution from fin to limb took millions of years. 从鳍到肢的进化用了数百万年 But once completed, 但一旦完成 life on land would never be the same again. 陆地上的...
for these lobe-finned fish. 已经太晚了 Others had made this transition before them. 其他动物先它们一步完成了这种转变 Like the three-meter-long Anthracosaurus... 比如三米长的石炭鲵 ...that had already found its feet. 已经长出腿来 The evolution from fin to limb took millions of...
But it was already too late 但对于这些叶鳍鱼来说 for these lobe-finned fish. 已经太晚了 Others had made this transition before them. 其他动物先它们一步完成了这种转变 Like the three-meter-long Anthracosaurus... 比如三米长的石炭鲵 ...that had already found its feet. 已经长出腿来 The evol...
The race was on to colonize this new world. 争夺新世界的竞赛已经开始 But it was already too late 但对于这些叶鳍鱼来说 for these lobe-finned fish. 已经太晚了 Others had made this transition before them. 其他动物先它们一步完成了这种转变 Like the three-meter-long Anthracosaurus... 比如三米...
Together, these evolutionary advances 这些进化一起作用 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 The race was on to colonize this new world. 争夺新世界的竞赛已经开始 But it was already too late 但对于这些叶鳍鱼来说 for these lobe-finn...
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 The race was on to colonize this new world. 争夺新世界的竞赛已经开始 But it was already too late 但对于这些叶鳍鱼来说 for these lobe-finned fish. 已经太晚了 Others had made this transition ...
the ability to breathe air. 呼吸空气的能力 Not through gills but through primitive lungs. 不是通过腮 而是通过原始的肺呼吸 Together, these evolutionary advances 这些进化一起作用 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 The race was on...
Not through gills but through primitive lungs. 不是通过腮 而是通过原始的肺呼吸 Together, these evolutionary advances 这些进化一起作用 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 The race was on to colonize this new world. 争夺新世界的竞...
But these fish also have another game-changing adaptation... 但这些鱼 还有另一种极为重要的适应性 the ability to breathe air. 呼吸空气的能力 Not through gills but through primitive lungs. 不是通过腮 而是通过原始的肺呼吸 Together, these evolutionary advances 这些进化一起作用 allowed verte...
and help them crawl out of the water. 帮助它们从水中爬出 But these fish also have another game-changing adaptation... 但这些鱼 还有另一种极为重要的适应性 the ability to breathe air. 呼吸空气的能力 Not through gills but through primitive lungs. 不是通过腮 而是通过原始的肺呼吸 Together, th...