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单词 scavenger
释义 scav·eng·er
I. \-jə(r)\ noun
(-s)
Etymology: alteration of scavager
1. : a former English official charged originally with the collection of scavage and later with various other duties including that of keeping the streets clean
2. chiefly Britain : a person employed to remove dirt and refuse from the streets of a municipality : street cleaner
3. : one that scavenges: as
 a. : a garbage collector
 b. : junkman
 c. : one that collects the refuse about a logging camp
 d. : a chemically active substance either present in or added to a mixture to make innocuous or to remove an undesirable substance
  < calcium … is already being used as a scavenger in melting steel, copper, nickel, lead — A.M.Bateman >
  < the tin compound acts also as a scavenger for hydrogen chloride — A.S.Kenyon >
  — compare getter
4.
 a. : an organism that devours refuse, carrion, or matter injurious to the general health
 b. : scavenger beetle
 c. : a small mottled green marine percoid food fish (Lethrinus nebulosus) of warm shallow waters of the Indo-Pacific area
II. intransitive verb
(-ed/-ing/-s)
: to clean up filth (as street refuse)
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更新时间:2024/12/23 16:03:24