名词中文翻译
中文翻译：国家边界
同义词：
['border', 'frontier']
例句：
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1. The national boundary between Chinaand India is a long and complex one.
中国和印度之间的国家边界是漫长且复杂的。
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2. The border patrols are responsible formaintaining the national boundary.
边境巡逻队负责维护国家边界。
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3. The government has been working onimproving the national boundary security.
政府一直在努力提高国家边界安全。