名词
中文翻译：Unknown
同义词：
['spacecraft', 'astronomy satellite']
例句：
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1.The space agency has launched a new satellite to monitor the Earth's atmosphere.
太空机构已经发射了一颗新的卫星来监测地球的大气。
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2. The astronaut was able to communicate with the satellite from space.
宇航员能够从太空与卫星进行通信。
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3.Satellites are used for tracking and communication purposes.
卫星用于跟踪和通信目的。