1. n.火星；玛尔斯（古罗马神话中的战神）
2. 近义词：n. Red Planet 火星；战神
3. 例句：
Is there life on Mars?
火星上有生命吗？
Mars was the god of war in Roman mythology.
玛尔斯是古罗马神话的战神。
Mars is sometimes called the Red Planet because of its distinctive colour.
因为颜色特别，火星有时也被称为“红色行星”。
Science fiction writers have often imagined human beings going to live on the Mars.
科幻小说作家经常想象人类将在火星上生活。
