名词
中文翻译：间隙距离
同义词：
['gap', 'gap length', 'distance between例句：1. The gap distance between the two cities is about 200 kilometers.（两座城市之间的间距大约是200公里。）']
例句：
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1. The gap distance between the two cities is about 200 kilometers.
两座城市之间的间距大约是200公里。
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2.The gap distance between the two countries is still widening.
两国之间的差距仍在扩大。
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3. The gap distance between the two pieces of wood is too small to be seen.
两块木头之间的缝隙太小，几乎看不见。