名词
中文翻译：行星
同义词：
['satellite', 'celestial body']
例句：
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1. The asteroid is the closest object to Earth that orbits the sun.
矮行星是离太阳最近的绕太阳运行的天体。
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2. The moon is the only natural satellite of the earth.
月球是地球唯一的自然卫星。
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3. The ephebe was a young woman who accompanied her father on his travels.
伊菲比娅是一位年轻的女性，她陪伴着她的父亲旅行。