释义 |
impregnable1/imˈpreɡnəb(ə)l/adj. 1 (of a fortified position) that cannot be taken by force (防御工事)不能攻克的 2 resistant to attack or criticism 坚不可摧的;驳不倒的 □ impregnability /-ˈbiliti/ n.□ impregnably adv.[Middle English from Old French imprenable (as IN-1, prendre ‘take’)] |