名词
中文翻译：加固
同义词：
['fortress', 'fortification', 'strengthening measures']
例句：
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1. The governmenthas implemented several fortifications to improve security.
政府已经实施了多项加固措施来提高安全。
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2. The military engineers have been working on a project to strengthen the fortifications.
军事工程师们一直在致力于一个项目，以加强防御工事。
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3.The city's fortifications are designed to withstand an attack from the enemy.
城市的加固措施旨在抵御敌人的攻击。