名词
中文翻译：距离
同义词：
['separation', 'interval', 'gap']
例句：
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1.The two countries have a long history of cultural exchange.
这两个国家有着悠久的文化交流历史。
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2.The distance between the two cities is about 300 kilometers.
两座城市之间的距离大约是300公里。
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3.The distance between the two points on the map is 50 meters.
地图上两点之间的距离是50米。