小行星

asteroid; minor planet; planetoid

1. 小惑星最大的小行星之一，第二个被发现
   One of the largest asteroids, the second to be discovered.
2. 伊卡鲁斯一个具有离心轨道的小行星，它在离太阳三千万公里（一千九百万英里）的范围内接近太阳
   An asteroid with an eccentric orbit approaching within30 million kilometers(19 million miles) of the sun.
3. 流星体活动在空间的固体天体，比小行星小，至少与尘埃一样大
   A solid body, moving in space, that is smaller than an asteroid and at least as large as a speck of dust.

小的英语翻译：

行星的英语翻译：