A computer-generated view of the Martian north polar region shows the extent of what may have been an ancient ocean covering much of the northern lowlands.
主要帮忙分析句子成分,语法,和翻译。
主要是the extent of what may 这部分!如果可能的话,能不能把从句拆开来,以便于理解?
这句话的意思是“关于火星北极区域,计算机生成观点是覆盖大部分北方低谷的(水域),其程度可能是古代的一片海洋。”这句话的断句应该是这样:A computer-generated view of the Martian north polar region /shows {the extent of[what may have been an ancie