Scavenge



GRE Barron

解释

GRE 红宝书

• v. ( 在废物中) 寻觅; ( 动物) 食腐肉
• ［英］ v. ( 在废物中) 寻觅 ( salvage useful materials) ; ( 动物) 食腐肉 ( to feed on carrion or refuse)
• ［记］ 和revenge ( 报复, 复仇) 一起记
• ［同］ 派生词: scavenger ( n. 食腐动物;拣破烂的人)

Webster Collegiate

verb (scavenged; scavenging)

• Etymology: back-formation from scavenger
• Date: circa 1644
• transitive verb
  • 1.
    • a.
      • (1) to remove (as dirt or refuse) from an area
      • (2) to clean away dirt or refuse from ; cleanse <scavenge a street>
    • b. to feed on (carrion or refuse)
  • 2.
    • a. to remove (burned gases) from the cylinder of an internal combustion engine after a working stroke
    • b. to remove (as an undesirable constituent) from a substance or region by chemical or physical means
    • c. to clean and purify (molten metal) by taking up foreign elements in chemical union
  • 3. to salvage from discarded or refuse material; also to salvage usable material from
• intransitive verb
  • to work or act as a scavenger

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