名词
中文翻译：双星
同义词：
['double star', 'double star system']
例句：
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1.The sky was filled with twinkling stars.
夜空中星星闪烁。
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2. They found a two-star system in the constellation of Orion.
他们在猎户座发现了一个双星系统。
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3. The two-star system is so close that it's easy to spot them from Earth.
这个双星系统距离地球非常近，很容易从地球上发现它们。