- an unbroken line of ancestry stretching back four billion years
一条绵延40亿年的连续谱系 - to the very origin of life on Earth.
一直可以追溯到地球生命的起源 - However, not everything thrived during the Holocene.
然而并不是一切 都能在全新世兴旺发展 - A strange and highly selective extinction was underway.
一种奇怪且高度选择性的灭绝 正在进行之中 - Across the planet,
全球范围内 - the largest land animals were disappearing.
最大的陆地动物正在消失 - Mammoths, cave lions, and hundreds of other species vanished.
猛犸象、穴狮 以及数以百计其他物种消失了
来自《我们星球上的生命 第一季 第八集 Life on Our Planet S01E08 冰与火的世纪》第 212 行