
adj.固若金湯的;無法傷害的
The banks are not invulnerable. 銀行并非固若金湯。
The submarine is invulnerable to attack while at sea. 潛艇固若金湯,海上攻擊打不倒。
They are invulnerable, because no animal can actually kill them. 因為沒有動物能實際上殺他們,所以他們是不會受傷害的。
The dangerous drivers are those who think they're invulnerable. 那些危險駕駛的人就是以為自己不會受傷。