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》

你可以用 iPhone 获得火星的实时天气报告。

You can get the real time weather reports for Mars with the iPhone.

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They've been replaced by aliens or robots "Thank you" by Martians, by CIA agents, by trained actors and actresses.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