most violent eruptions that life has ever witnessed. 最大、最猛烈的喷发之一
has been a feature of life on Earth for hundreds of millions of years. 数亿年来 一直是地球生命的特点
life on land would never be the same again. 陆地上的生活将永远改变
flight would often make the difference between life and death. 飞行往往能决定生死
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
the most visible signs of life on our planet. 植物 是我们星球上的生命最鲜明的标志
where life had thrived for more than a billion years, 生命已在这里繁荣超过10亿年
land has been inhospitable to life. 陆地都不适于生命居住
...and how it changed everything for life on our planet. 以及它如何彻底改变地球上的一切