pestilences
n. 瘟疫, (尤指)腺鼠疫( pestilence的名詞複數 )
Pestilence is any disease that spreads quickly and kills large numbers of people.
The Black Death is one the most serious pestilences in history.
黑死病是人類歷史上眾多瘟疫中危害很大的瘟疫之一,它是中世紀曆史上的一次慘重的生態災難.