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
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the house is infested with cockroaches 这座房子蟑螂成灾
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[as adj., in combination
-infested ]shark-infested waters .鲨鱼大量出没的水域。
 
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infestv.大批出没于;侵扰
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investv.投资;赋予;赋有;给…穿衣;包围;围攻;投入;耗费;花钱买;授予
 
"late Middle English (in the sense ‘torment, harass’): from French