名词
中文翻译：Unknown
同义词：
['boundary', 'divide', 'distinction', 'delimitation']
例句：
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1. The demarcation of the new district is being discussed in the city council.
新城区的划分正在市议会讨论中。
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2.The boundary between the two countries is clearly marked on the map.
两国之间的边界在地图上清晰可见。
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3.The scientist made a distinction between the two theories based on their underlying assumptions.
科学家根据它们的基本假设将两种理论区分开来。