epidemic
柯林斯词典
1. N-COUNT If there is an epidemic of a particular disease somewhere, it affects a very large number of people there and spreads quickly to other areas. (疾病的) 流行
A flu epidemic is sweeping through Moscow. 一場流感正蓆卷莫斯科。
2. N-COUNT If an activity that you disapprove of is increasing or spreading rapidly, you can refer to this as an epidemic of that activity. (壞事的) 盛行[表不滿]
...an epidemic of serial killings. …連環謀殺的盛行。
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epidemic /ˌɛpɪˈdɛmɪk/ (epidemics)
剑桥词典
epidemic noun (DISEASE)
[ 可數名詞：有複數形式的名詞 ]the appearance of a particular disease in a large number of people at the same time
（疾病的）流行，傳染
a flu epidemic 流感的傳播
epidemic noun (PROBLEM)
[ 可數名詞：有複數形式的名詞 通常作爲單數使用的名詞 ]a particular problem that seriously affects many people at the same time
泛濫；蔓延
a crime /unemployment epidemic 犯罪頻發／大範圍失業 返回 epidemic