形容词
中文翻译:不可征服的
同义词:
['invincible', 'insurmountable', 'impregnable']
例句:
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1. The fortress was impitoyable to any attackers.
这个堡垒对任何攻击者都是不可攻克的。
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2.The mountain's peak was impitoyable to climb.
那座山的顶峰是难以攀登的。
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3. The enemy forces were impitoyable by the defenders' tactics.
敌人的部队被防守方的策略所无法攻克。