For those unable to escape the sludge, there was only one possible outcome. 对于那些无法逃离这脏水的生物来说 结果只有一个
Only around 10% of all fish today live in the deep. 今天只有大约10%的鱼类生活在深海
But for now, vertebrates are only at the beginning 但是现在脊椎动物仍处于
Only the best adapted will win through. 适者生存
The birds were the only remaining dinosaurs. 鸟类是唯一幸存的恐龙
Only the protection of the herd can save her. 只有龙群的保护才能救它
Triceratops aren't the only giants in these woods. 三角龙不是森林中唯一的巨兽
other butterflies adapt to only lay on plants that are free of eggs... 其他蝴蝶进行进化 只在没有卵的植物上产卵
But the caterpillars aren't the only ones evolving. 但是在进化的并不只有毛虫