holocaust

n. 大屠杀

It is unthinkable that we should allow a nuclear holocaust to occur.

我们若竟让核武器大屠杀的惨剧发生, 简直是匪夷所思.

It is unthinkable that we shall allow a nuclear holocaust to occur.

我们若竟让核武器大屠杀的惨剧发生，简直是匪夷所思。