We finally clambered up the precipitous cliff. 我们终于登上了险峻的峭壁。
With a four-kilometer drop, this high cliff surrounding Echus Chasma, near an impressive impact crater, was carved by either water or lava. 这个高耸的峭壁高约四千公尺,围绕在艾彻斯峡谷周围,这可能是由水或熔岩所雕塑形成,它的旁边还有一个陨石坑。