形容词
中文翻译：不可摧毁的
同义词：
['impregnable', 'invincible', 'impregnable例句：1. The fortress was built to withstand the mostinexpugnable attacks.（这座要塞被建造来抵御最坚不可摧的攻击。）']
例句：
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1. The fortress was built to withstand the mostinexpugnable attacks.
这座要塞被建造来抵御最坚不可摧的攻击。
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2. The soldiers were determined to defend theirposition against any inexpugnablethreats.
士兵们决心保卫自己的阵地，抵御任何坚不可摧的威胁。
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3. Theancient city walls are consideredinexpugnable bymany historians.
许多历史学家认为这个古老的城墙是不可摧毁的。