当前位置：首页 >
资源列表 > The Mars rover Curiosity, now 63 days into its two-year exploration of the red planet, has analyzed a football-sized rock that NASA scientists say has some surprisingly Earth-like qualities.
The Mars rover Curiosity, now 63 days into its two-year exploration of the red planet, has analyzed a football-sized rock that NASA scientists say has some surprisingly Earth-like qualities.
口语伙伴