名词
中文翻译：距离
同义词：
['separation', 'interval', 'gap例句：1. The distance between the two cities is about 200 kilometers.（两座城市之间的距离大约是200公里。）']
例句：
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1. The distance between the two cities is about 200 kilometers.
两座城市之间的距离大约是200公里。
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2.The train travels at a constant speed over the distance.
火车在这段距离上以恒定的速度行驶。
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3. The team needs to maintain a good distance from the rival team.
球队需要保持与对手球队的良好距离。