planet
noun [ C ] uk/ˈplæn.ɪt/ us/ˈplæn.ɪt/
B1 行星
an extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter, that moves in a circular path around the sun or another star
the planet Earth/Venus 地球／金星
Might there be intelligent life on other planets? 其他星球上有可能存在智能生命吗？
- More examples
- The planet Jupiter radiates twice as much heat from inside as it receives from the Sun.
- an unmanned mission to the planet Mars
- They launched a rocket to the planet Venus.
- Environmentalists have no political axe to grind - they just want to save the planet.
- Is it too late to repair the damage we have done to our planet?
Idiom
be on another planetidiom informal 像是生活在另一个星球，怪异
to not give attention to what is happening around you and to think differently from other people
Some days that girl seems as if she's on another planet. 那个女孩有时候看起来很怪异。