| 单词 | impregnable |
| 释义 | im·preg·na·ble /ɪmˈpreɡnəbəl/ adjective formal 1 DEFENDa building that is impregnable is so strong that it cannot be entered by force 〔建筑物〕攻不破的，固若金汤的 an impregnable fortress 坚不可摧的堡垒2 STUBBORNstrong and impossible to change or influence 无法改变的，无法动摇的 her impregnable obstinacy 她的顽固不化Examples from the Corpusimpregnable• The conventional wisdom having been made more or less identical with sound scholarship, its position is virtually impregnable.• The one factor that still tilts general election predictions in the Tories' favour is that their hillcrest position seems ultimately impregnable.• The problem invariably is that the enemy is simply inflexible or impregnable.• The case Starr builds must be as impregnable as Fort Knox.• And Andrus would be untouched, impregnable behind his rigid simplicities.• Occupying fairly impregnable clifftop villages, they prospered in the practice of agriculture.• Subject, verb, object: the unadorned, impregnable sentence.• Grant was still mired in the mud before impregnable Vicksburg.Origin impregnable (1400-1500) Old French imprenable “impossible to capture”, from prendre “to take”im·preg·na·ble adjectiveChineseSyllable cannot is that impregnable strong a that it Corpus building is so |
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