n.火星
例句:
The living things on the earth could not subsist on Mars.
地球上的生物不可能在火星上生存.
The diameter of Mars is slightly over half that of the earth.
火星的直径比地球的半径稍大些.
The image of Mars is always accompanied by two little dots.
火星星像的近旁总有两个小点.