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
and the rivers of fire are gradually subsiding. 熔岩河逐渐平息
Gradually seeps into the salt water of the oceans, 流入海洋的盐水中
And gradually the freshwater of the oceans... 逐渐的 海洋中的淡水
they gradually warm and begin to support more life. 河水渐渐变暖 养育的动物也多了起来