planets
n. 行星( planet的名词复数 ); 地球(尤指环境)
A planet is a large, round object in space that moves around a star. The Earth is a planet.
The picture shows six of the eight planets in the solar system.
这幅图标示了太阳系八大行星中的6颗。
Does life exist on other planets?
其他行星上有生命吗?
Which planets can sustain life?
哪些行星可以维持生命的存在?
Asteroids, also known as " minor planets ", are numerous in the outer space.
小行星, 亦称为 “ 小型行星 ”, 在外太空中不计其数.
The earth is one of the planets in the Galaxy.
地球是银河系中的星球之一.
Travel through space to other planets interests many people today.
现在很多人对去宇宙中其它行星旅行感兴趣.