名词
中文翻译：Unknown
同义词：
['interval', 'gap', 'interval between', 'space between', 'separation']
例句：
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1. The distance between the two cities is 50 kilometers.
两座城市之间的距离是50公里。
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2. The distance between the Earth and the Moon is approximately 384,400 kilometers.
地球和月球之间的距离大约是384,400公里。
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3.The distance between the stars is so vast that it's impossible to see them all at once.
星星之间的距离如此遥远，以至于我们无法同时看到所有的星星。