柯林斯詞典nuclear winter 1. N-UNCOUNT Nuclear winter refers to the possible effects on the environment of a war in which large numbers of nuclear weapons are used. It is thought that there would be very low temperatures and very little light during a nuclear winter. 核鼕天; 大量使用核武器的核戰(zhàn)爭(zhēng)對(duì)環(huán)境可能造成的影響。; 據(jù)稱在核鼕天中氣溫很低，且很少見(jiàn)光。[also 'a' N] 返回 nuclear winter劍橋詞典a period that scientists believe would follow a large nuclear explosion , when there would be very little light or heat and nothing would grow in the world 核鼕季（科學(xué)家假設(shè)的在巨大核爆炸後一段寒冷黑暗、生物滅絕的時(shí)期） 返回 nuclear winter