名词中文翻译
中文翻译：堡垒
同义词：
['fortress', 'stronghold']
例句：
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1.The ancient city was a redoubt against invaders for centuries.
这个古代城市曾是数百年来抵御侵略者的堡垒。
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2.The soldiers fought bravely to defend their redoubt.
士兵们勇敢地保卫他们的堡垒。
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3. The redoubt was well-fortified and had a strong defense system.
这个堡垒被加固得很好，有强大的防御系统。