The Earth-Moon system has always been perplexing.
地月系统一直令人困惑。
In this picture, the Earth-moon system actually appears to be a double planet.
照片中，地月系统实际上看上去像一颗双行星。
The lowest temperature ever measured in the solar system was on the Moon.
太阳系里所测量到的温度最低的地方是在月球上。
The head of ground utility system of China moon probe program said.
绕月探测工程地面应用系统负责人说。
Moon Kim says the team hopes the system will be available before long.
金姆表示，研究小组希望这套设备在不久以后能够投入使用。
Indeed, Ganymede is the largest moon in the whole solar system.
的确，格尼·梅德星是整个太阳系最大的卫星。
Indeed, Ganymede is the largest moon in the whole solar system.
的确，格尼·梅德星是整个太阳系最大的卫星。
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