名词
中文翻译：国防
同义词：
['national defense', "military defense例句：1. The country's national defense is a top priority for the government.（该国的国防是政府的首要任务。）"]
例句：
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1. The country's national defense is a top priority for the government.
该国的国防是政府的首要任务。
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2.The military defense of the border has been strengthened.
边境的军事防御已经加强。
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3. The government has announced plans to improve national defense capabilities.
政府宣布了提高国防能力的计划。