mars
Longman Dictionary of Contemporary English 5++LDOCE 5++mars1 → variant of Mars Bar at Mars Bar2 → 3rd person singular present tense of mar at mar
Mars
Longman Dictionary of Contemporary English 5++LDOCE 5++Mars /mɑːz $ mɑːrz/ noun TTSthe small red planet that is fourth in order from the Sun and is nearest the Earth 火星 → Martian the enormous volcanoes known to exist on Mars 已知在火星上存在的大量火山
Examples from the Corpus
Mars• Why does Mars have ancient floods, but no water on the surface today?• Even quite small bodies can penetrate the tenuous atmosphere of Mars and cause erosive explosions on its surface.• The color of Mars. 2.• In 1873, however, one was found on a trajectory that brought it in to cross the orbit of Mars.• This impact, or a later one, blasted the rock off the surface of Mars and sent it flying towards Earth.• Phil Revell boards a virtual mission to Mars for a preview flight.• Both Phobos and Deimos always keep the same side toward Mars.Mars nounChinese
planet that Corpus the in small fourth from the order is red
See ldoce4418jpg for more
Mars
Mars /mɑːz $ mɑːrz/ 
noun
the small red planet that is fourth in order from the Sun and is nearest the Earth ⇨ Martian:
the enormous volcanoes known to exist on Mars
ˈMars Bar (also Mars) trademark
a popular type of chocolate bar with a centre made of soft nougat and caramel. Mars Bars are sold in the UK and the US, but American Mars Bars also have almonds in them. An old advertisement for Mars Bars used to say that ‘A Mars a day helps you work, rest, and play’.
| I |
nounthe small red planet that is fourth in order from the Sun and is nearest the Earth ⇨ Martian:
| II |
(also Mars) trademarka popular type of chocolate bar with a centre made of soft nougat and caramel. Mars Bars are sold in the UK and the US, but American Mars Bars also have almonds in them. An old advertisement for Mars Bars used to say that ‘A Mars a day helps you work, rest, and play’.