infest

• 动词，指害虫、寄生虫或不受欢迎的生物大量出现，常造成危害或滋扰；也指某种有害事物大量蔓延。

A verb used to indicate the presence of pests, parasites, or unwanted organisms in large numbers, often causing harm or annoyance.

1. Invade in great numbersB2formal

   To overrun or swarm a place or area in large numbers, often causing damage or annoyance.

   侵扰

   • Rats infested the abandoned warehouse.
   • The garden was infested with aphids.
   • Ants infested the kitchen after the rain.

   同义词besetfloodinvadeoverrunpermeateplagueswarm

   反义词abandoncleardesertemptyevacuatevacate

2. Occupy in large numbers or live on a hostB2formal

   To occupy a place or organism in large numbers, often as parasites or pests.

   大量滋生

   • Lice infested the child's hair.
   • The old house was infested with termites.
   • Fleas infested the dog's fur.

   同义词besetinvadeoverrunpermeatepervadeplagueswarm

3. Live on or in a host, as of parasitesB2formal

   To live on or inside a host organism, typically causing harm or discomfort.

   寄生

   • Tapeworms can infest the human intestine.
   • Mites infest the feathers of birds.
   • Parasites infest the bloodstream of the infected animal.

   同义词besetinvadeoverrunplague