asteroids造句
The orbits of such faint
asteroids are not yet known.
但是对于这样暗的小行星的轨道,迄今尚未弄清.
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。
Most stars probably have their quota of planets, meteorids, comets, and
asteroids.
多数恒星也许还拥有若干行星 、 流星 、 彗星和小行星.
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.
...unnamed comets and
asteroids.
未命名的彗星和小行星
Many
asteroids are weakly bound piles of rubble, held together by their own minute gravitational attraction.
大多数的小行星都是由碎石组成,而这些碎石靠着自身之间微弱的万有引力结合在一起.