| 释义 | 
		impregnable 1 AHD[ĭm-prĕgʹnə-bəl] D.J.[ɪmˈpregnəbəl]K.K.[ɪmˈprɛgnəbəl]adj.(形容词)- Impossible to capture or enter by force:固若金汤的:不能被攻占或武力进入的:an impregnable fortress.固若金汤的堡垒
 
 - Difficult or impossible to attack, challenge, or refute with success:无懈可击的:不能或很难攻击、挑战或驳倒的:an impregnable argument.无懈可击的辩论
 
 
 - Middle English 中古英语 
 
 - from Old French imprenable 源自 古法语 imprenable 
 
 - in- [not]  from Latin in- * see  in- 1in- [不]  源自 拉丁语 in- * 参见 in-1
 
 - pregnable [pregnable] * see  pregnable pregnable [可攻克的,易受伤害的] * 参见 pregnable
 
 
  impregnable 2 AHD[ĭm-prĕgʹnə-bəl] D.J.[ɪmˈpregnəbəl]K.K.[ɪmˈprɛgnəbəl]adj.(形容词)- Capable of being impregnated.可以受孕的
 
 - impregn(ate) impregn(ate)
 
 - -able -able
 
 
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