infest
/ɪnˈfest/verb
with obj.(一般作be infested)
- (of insects or animals) be present (in a place or site) in large numbers, typically so as to cause damage or disease（昆虫, 动物）大批出没于; 侵扰：
the house is infested with cockroaches
这座房子蟑螂成灾
as adj., in combination -infested shark-infested waters.鲨鱼大量出没的水域。
派生词
infestation
noun词源
late Middle English （in the sense 'torment, harass'）: from French infester or Latin infestare 'assail', from infestus 'hostile'. The current sense dates from the mid 16th cent.