生命无法在火星的大气环境下生存。

The atmosphere of Mars could not support life.

《牛津词典》

火星的大气层只含有微量的水。

The Martian atmosphere contains only tiny amounts of water.

《柯林斯英汉双解大词典》

youdao

Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?

水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？

麻省理工公开课 - 固态化学导论课程节选

They've been replaced by aliens or robots "Thank you" by Martians, by CIA agents, by trained actors and actresses.

比如变成了外星人或者机器人,"谢谢",或者变成了火星人,中情局特工,或是训练有素的演员

耶鲁公开课 - 心理学导论课程节选

How can whether or not I am the same guy as the guy who was lecturing to you on Tuesday depend on what's happening in Pennsylvania or Australia or Mars?

我跟星期二给你们讲课的人,是否为同一人这个问题,怎么能取决于在宾州或澳州或火星发生的事情？

耶鲁公开课 - 死亡课程节选