英语词汇impregnability怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	impregnability
释义	Examples: invulnerable, indestructible, impregnable— 坚不可摧 unity of will is an impregnable stronghold [idiom.]— 众志成城
随便看	be penetrated be penetrating be penniless be perceived to influence be perched high be perfect be perfect fit for be performed according be performed against be performed since be performed under local anesthesia. be perfunctory be permanent be permanently appointed be permanently marked be permissible be permissive for be permitted to complete be persecuted for be personal be personally accountable be personally liable be personally responsible be persons with be persuaded to debase oneself

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invulnerable, indestructible, impregnable—