something that would challenge mammals as never before. 这将对哺乳动物提出前所未有的挑战

125. it became a tinderbox.
     地球变得一点就着
126. Wildfires ravaged the land...
     野火在陆地上肆虐
127. clearing the way for something completely different...
     为一种完全不同的东西铺平了道路
128. something that would challenge mammals as never before.
     这将对哺乳动物提出前所未有的挑战
129. As the smoke cleared,
     烟雾散去后
130. there rose from the ashes a life-form that had previously only survived
     一种此前只在边缘地带幸存的生物
131. in the margins.
     从灰烬中崛起

来自《我们星球上的生命 第一季 第七集 Life on Our Planet S01E07 地球继承者》第 128 行