invulnerable
invulnerableadjective- impossible to harm or damage
不能伤害的,刀枪不入的;无懈可击的;不可攻破的
派生invulnerabilitynouninvulnerablyadverb语源- late 16th cent. (earlier than vulnerable): from Latin invulnerabilis, from in- 'not' + vulnerabilis (see vulnerable)
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