The cheetah has lost a lot of ground... 猎豹节节败退
can best be seen in a world lost in time. 可以在一个迷失在时间中的世界 得以最好的展现
But this lost world of vertical cliffs 但这个由陡峭悬崖组成的失落世界
it became clear that all was not lost. 原来生命并未完全灭绝
They lost the arms and legs of their reptilian ancestors 它们失去了爬行动物祖先的四肢