The earth was once a sea of fire a few million years ago.的翻译.
问题描述：
The earth was once a sea of fire a few million years ago.的翻译.
答
几百万年以前,地球是一片火的海洋.
The earth was once a sea of fire a few million years ago.的翻译.
几百万年以前,地球是一片火的海洋.