/ˈdesɪmeɪt ||; ˈdɛsəˌmet/verb[T] 1 (usually passive 通常用于被动语态) to kill large numbers of animals, plants or people in a particular area 大批杀死（某地区的动物、植物或人）: The rabbit population was decimated by the disease. 大批兔子死于疾病。
2 to badly damage sth or make sth weaker 严重损坏；使变弱