解釋：
mars 英[mɑ:(r)s] 美[mɑ:rs]
n. 火星；
[例句]Mars and Earth have orbits which change with time
火星與地球的運行軌道隨著時間而變化。
In thirty years from now the United States should have a manned spacecraft onMars.
未來30年內，美國有可能會把載人航天器送上火星。
The planet Mars will be visible to the naked eye all week
整周都可以用肉眼觀察到火星。
Mars was visible, dead in the centre of the telescope
可以看得見火星，就在望遠鏡的正中央。
The tiny rocket is attached to the spacecraft and is designed to propel it towardMars.
小火箭捆綁在宇宙飛船上，用於推動飛船飛向火星。