scavenger
英 ['sk?v?n(d)??]
美['sk?v?nd??]
- n. 食腐動物；清道夫；[助劑] 清除劑；拾荒者
英英釋意
- 1. a chemical agent that is added to a chemical mixture to counteract the effects of impurities
- 2. someone who collects things that have been discarded by others
- 3. any animal that feeds on refuse and other decaying organic matter