名词
中文翻译：Unknown
同义词：
['defend', 'guard', 'protect', 'defend', 'fortify', 'secure']
例句：
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1.The king fyrd his kingdom against the enemy.
国王保卫他的王国免受敌人侵袭。
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2. The soldiers fyrd the borders with vigilance.
士兵们警惕地保卫边境。
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3. The villagers fyrd their homes from natural disasters.
村民们努力保卫他们的家园免受自然灾害的侵害。