释义 |
小行星 xiǎo xíng xīng 基本例句 asteroidminor planetplanetoidminiplanet 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. 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 of the sun. 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. |