planets例句

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.

• #planets