相關(guān)單詞近義詞 unassailable 攻不破的, invincible 不可征服的, unconquerable 不可征服的, strong 強(qiáng)烈的, resistant 抵抗的, secure 安全的, impenetrable 不能穿過(guò)的, invulnerable 固若金湯的, indestructible 不易毀壞的, inviolable 不可侵犯的, conceptive 概念的, inexpugnable 不能攻占的, unattackable 耐侵蝕的臨近詞impregnate, imprecise, impregnable virtue, impregnable defenses相似詞impracticable, impractical, imprecation, imprecise, impregnate, impresario, impress, impress sth on/upon sb, 返回 impregnable