名词
中文翻译：间距
同义词：
['interval', 'gap', 'interval between例句：1. The distance between the two cities is about 500 kilometers.（两座城市之间的距离大约是500公里。）']
例句：
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1. The distance between the two cities is about 500 kilometers.
两座城市之间的距离大约是500公里。
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2.He took a break from his work to stretch his legs and take a spacing.
他休息了一会儿，伸展了一下腿，然后去散步了。
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3.The teacher explained the concept of spacing in mathematics.
老师解释了数学中间隔的概念。