“小行星”造句

有一顆小行星可能會(huì)與地球發(fā)生碰撞。
There is an asteroid on a collision course with the Earth.

小行星, 亦稱為 “ 小型行星 ”, 在外太空中不計(jì)其數(shù).
Asteroids, also known as " minor planets ", are numerous in the outer space.

最大的小行星是谷神星,體積約為月球的1/4.
The largest asteroid is Ceres, which is about a quarter the size of the moon.

• #小行星