日期:
来源:雅诚德英语网
Flooding shaped the outflow channels approximately 3 billion years ago, about the same times as the northern volcanic plains formed.
大约30亿年前,洪水形成了流出通道,大约与北部火山平原形成的时间相同。
Flooding shaped the outflow channels approximately 3 billion years ago, about the same times as the northern volcanic plains formed.
大约30亿年前,洪水形成了流出通道,大约与北部火山平原形成的时间相同。