But there is one drawback to life in the fast lane. 但是快车道上的生活也有一个缺点
For its size, it is one of the fastest sprinters on Earth. 就其体积而言 它是地球上最快的短跑运动员之一
But redwoods are just one of more than 400,000 species of plant, 但是红杉只是40万植物物种中的一个
one curious life-form was among the first to rise to the challenge. 有一种好奇的生物率先发出挑战
...released by plants during one of the most amazing events of all time... 在史上最伟大的一个事件期间 由植物释放而出
Dunkleosteus was one of many to be lost from our planet. 邓氏鱼 是从我们星球上消失的众多生物之一