| 释义 |
dwarf planet ˌdwɔːfˈplænɪt 高Ｔ短语⁸⁴³²⁰⁺⁸
基本例句
n.矮行星以轨道绕着太阳的球状天体；体积不及行星；未能清除在轨迹上的其他天体
Hubble recently showed a fourth moon orbiting Pluto. Astronomers temporarily named it P4. The moon is the smallest to be discovered around the icy dwarf planet.
哈勃望远镜最近发现了冥王星第4颗卫星，天文学家暂时称之为冥卫四P4，它是环绕冥王星的最小的卫星。 www.51voa.com
Janhunen says it would take a440- pound200- kilogram spacecraft using an electric sail less than five years to travel between Earth and dwarf planet Pluto.
Janhunen说，采用该电驱动帆作为动力，440磅200千克重的航天器从地球飞到冥王星所需时间少于5年。 yeeyan
One was a decision to name Pluto a “ dwarf planet”.
其中一个重要的决定是将冥王星更名为“矮星行”。 iciba |