| 单词 | 四颗 |
| 释义 | 〔Callisto〕One of the four brightest satellites of Jupiter and the sixth in distance from the planet. Originally sighted by Galileo, it is the largest planetary satellite.卡利斯托卫星：木星最亮的四颗卫星之一，是距木星第六远的卫星。最初为伽利略所发现，它是最大的行星卫星〔Europa〕One of the four brightest satellites of Jupiter and the seventh in distance from the planet. It was originally sighted by Galileo.木卫二：木星最亮的四颗行星之一，与木星的距离排在其卫星的第七位，最早为伽俐略观测到〔Io〕One of the four brightest satellites of Jupiter and the ninth in distance from the planet. It was first sighted by Galileo.木卫一：木星四颗最明亮的卫星之一，距木星的距离排为第九。它首先为伽利略所发现〔Ganymede〕One of the four brightest satellites of Jupiter and the eighth in distance from the planet. Originally sighted by Galileo, it is one of the largest satellites in the solar system.木卫三：木星四颗最亮的卫星之一，距木星的远近程度是第八位。最早伽利略观察到，是太阳系最大的卫星之一 |
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