动词
中文翻译：防守
同义词：
['defend', 'protect', 'guard例句：1. The soldiers were busy defending the border against invading forces.（士兵们忙于守卫边境，抵御入侵者。）']
例句：
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1. The soldiers were busy defending the border against invading forces.
士兵们忙于守卫边境，抵御入侵者。
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2.The policeman was protecting the public from danger.
警察正在保护公众免受危险。
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3. The army is guarding the city against any potential threats.
军队正在守卫城市，防止任何潜在的威胁。