adj.不会受伤害的,刀枪不入的;无懈可击;
例句:
Many daughters assume that their mothers are invulnerable.
很多女儿都认为她们的母亲无比坚强。
But I would never suggest that cellular data card transmissions are invulnerable to hackers or criminals.
不过,我从不认为无线数据卡传输方式能免受黑客或其他网络犯罪活动的攻击.
Artillery Captains are now invulnerable and will no longer fight.
炮兵队长现在无敌了,并且他不会进行战斗了.