- Eventually, some plants grew so tall,
最终有一些植物长得非常高 - they towered above the world around them.
从周围的世界中高耸出来 - Today's redwoods are nature's skyscrapers.
今天的红杉是大自然的摩天大厦 - Reaching heights of more than a hundred meters,
高度超过100米 - they are the tallest living things to have ever existed.
是史上最高的生物 - 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 - 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