柯林斯詞典cataclysm /?k?t??kl?z?m/ (cataclysms) 1. N-COUNT A cataclysm is an event that causes great change or harm. 大變化; 大災(zāi)難[正式] 返回 cataclysm劍橋詞典an event that causes a lot of destruction , or a sudden , violent change 劇變；大災(zāi)難；大變動(dòng) 返回 cataclysm