视频链接：https://www.youtube.com/watch?v=WH8kHncLZwM 被干燥红土覆盖的火星上，曾经分布着广阔的海洋，体积相当于地球上的北冰洋。美国航空航天局（NASA...
video link: https://www.youtube.com/watch? V=WH8kHncLZwM is dry laterite cover on Mars, once the distribution of a vast ocean, a volume equivalent to the earth of the Arctic ocean. America NASA (NASA...
