形容词中文翻译
中文翻译：不可攻击的
同义词：
['impregnable', 'impenetrable']
例句：
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1.The castle was unattackable due to its strong defenses.
由于坚固的防御，这座城堡是不可攻克的。
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2. The enemy's army was unattackable because they were well-prepared.
敌军的军队是难以攻克的，因为他们准备充分。
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3.The fortress was unattackable, as it was surrounded by a deep ravine.
这个要塞是难以攻克的，因为它被深深的峡谷所包围。