英语单词

词典成语诗词造句字典单词小说古文名言

inexpugnable

英 [,ɪnɪk'spʌɡnəbl] 美

攻不破的

英文词源

inexpugnable (adj.): late 15c., from Latin inexpugnabilis "not to be taken by assault," from in- "not" (see in- (1) + expuglabilis, from expugnare (see expugn).