pestilences
n. 瘟疫, (尤指)腺鼠疫( pestilence的名词复数 )
Pestilence is any disease that spreads quickly and kills large numbers of people.
The Black Death is one the most serious pestilences in history.
黑死病是人类历史上众多瘟疫中危害很大的瘟疫之一,它是中世纪历史上的一次惨重的生态灾难.