Scavenger
01
an animal that eats trash, leftovers, or dead animals
例子
Vultures are scavengers that play an important role in the ecosystem.
The hyena 's reputation as a scavenger is often exaggerated.
02
a chemical substance added to a mixture to neutralize or remove impurities
例子
The engineer added a scavenger to the fuel to prevent corrosion.
Industrial processes often use a scavenger to remove unwanted byproducts.
03
someone who collects discarded or abandoned items, often for reuse or profit
例子
She acted like a scavenger, collecting broken furniture to restore.
Antique markets often start with scavengers finding forgotten treasures.
