gradually forming the largest and most hostile desert the planet has ever seen. 逐渐形成 地球史上最大、环境最恶劣的沙漠
Scutosaurus, among the largest animals on land. 盾甲龙是陆地上最大的动物之一
the largest millipede to ever walk the Earth. 地球历史上最大的千足虫
The largest, with a shell eight meters long, 最大的 壳长八米
The world's largest rain forest, the amazon, 世上最大的热带雨林亚马逊
The largest irrigation system on Earth 地球上最大的灌溉系统
Today, it's thought this is one of the largest groups 如今 人们认为这是最大的