名词
中文翻译：Unknown
同义词：
['astrolabe', 'celestial compass', 'star chart', 'navigational instrument']
例句：
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1.The astronaut used the astro compass to navigate through space.
宇航员使用星图指南针在太空中导航。
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2.The ancient astronomer used an astro compass to plot the stars' positions.
古代天文学家使用星图指南针来绘制星星的位置。
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3. The astro compass helped the explorer find his way back to the camp.
星图指南针帮助探险家找到返回营地的路。