a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color;
\\\"Mars has two satellites\\\"
(Roman mythology) Roman god of war and agriculture; father of Romulus and Remus; counterpart of Greek Ares
造句
用作名詞(n.)
Like the earth, Mars goes round the Sun. 如同地球一樣，火星繞太陽轉。
Mars is the fourth planet in order from the sun. 火星是太陽系的第四顆行星。
Scientists are studying the photographs of Mars for signs of life. 科學家們正在研究火星的照片，尋求生命的跡象。
This god was a lot like the Roman god of war, Mars. 這個神與羅馬的戰神瑪斯有許多相似。
Amulius was maddened with rage,but Rhea protested that it was the god Mars who was responsible for her pregnancy. 阿穆利烏斯暴跳如雷，但是雷亞聲稱讓她懷孕的是戰神馬爾斯。