scavenger

• 以腐烂的动物尸体或其他腐败有机物为食的动物；也指捡拾废弃物品的人。

A noun referring to an organism that feeds on dead or decaying organic matter, or a person who collects discarded items.

1. Chemical agentC1formalscientific

   A substance added to a chemical mixture to neutralize or remove impurities.

   清除剂

   • A scavenger is often used in industrial processes to remove unwanted oxygen.
   • The chemist added a scavenger to the solution to eliminate trace metals.
   • Scavengers are crucial in preventing corrosion in pipelines.

2. Person who collects discarded itemsB1formal

   An individual who gathers objects that have been thrown away by others.

   拾荒者

   • The scavenger searched through the dumpster for reusable materials.
   • In some cities, scavengers make a living by collecting scrap metal.
   • He worked as a scavenger, finding valuable items in the trash.

   同义词foragerpickerragpickersalvagerscrounger

3. Animal that feeds on refuseB1formalscientific

   An animal that consumes dead organic matter or waste.

   食腐动物

   • Vultures are well-known scavengers that eat carrion.
   • Raccoons are opportunistic scavengers that raid garbage bins.
   • Hyenas often act as scavengers, feeding on leftovers from other predators.