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scavenger
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音标：英 ['skævɪn(d)ʒə] 美 ['skævɪndʒɚ]
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解释：
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n. 食腐动物；清道夫；[助剂] 清除剂；拾荒者
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中文词源：
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scavenger 拾荒者，捡破烂者来自中古英语 scawageour,伦敦的税务官员，特指对外来商品收取税费的官员，来自盎格鲁 法语 scawage,税收，税费，来自 Proto-Germanic*skau,注视，注意，检查，来自 PIE*skeue, 注视，注意，词源同 show,古义看，检查。因收取税费的同时兼顾打扫街道卫生，引申词义 拾荒者，捡破烂者，后原词义逐渐消失，其引申词义成为主要词义。-enger,人，词源同 messenger,passenger.
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英文词源：
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scavenger
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scavenger: [15] A scavenger was originally a scavager – the extra n is the same as that intruded into messenger, passenger, etc. This was acquired from Anglo-Norman scawager, and it started life as a term for an official whose job was to collect taxes levied on foreign merchants. Etymologically it denoted ‘inspector’, for it was derived from the verb escauwer ‘inspect’, which was borrowed from Flemish scauwen ‘look at’, a relative of English show.
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By the 16th century the scavenger had begun to come down in the world, first to a ‘street-cleaner’ and finally to ‘one who gathers or lives on what others have thrown away’. The verb scavenge was derived from it in the 17th century.
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=> show
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scavenger (n.)
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1540s, originally "person hired to remove refuse from streets," from Middle English scawageour (late 14c.), London official in charge of collecting tax on goods sold by foreign merchants, from Anglo-French scawager, from scawage "toll or duty on goods offered for sale in one's precinct" (c. 1400), from Old North French escauwage "inspection," from a Germanic source (compare Old High German scouwon, Old English sceawian "to look at, inspect;" see show (v.)).
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It has come to be regarded as an agent noun in -er, but the verb is a late back-formation from the noun. With intrusive -n- (c. 1500) as in harbinger, passenger, messenger. Extended to animals 1590s. Scavenger hunt is attested from 1937.
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双语例句：
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1. He's just fit for a job as scavenger.
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他只配当个清道夫.
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来自辞典例句
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2. He is not a scavenger nor just a moving appetite as some sharks are.
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它不是食腐动物,也不像有些鲨鱼那样,只知道游来游去满足食欲.
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来自英汉文学 - 老人与海
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3. Mulberry red pigment hence was a good kind of natural radical scavenger.
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桑椹红色素是一种很好的天然自由基清除剂.
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来自互联网
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4. He be just fit for a job as scavenger.
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他正好当个清道夫之职.
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来自互联网
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5. Glutathione peroxidase ( GSH - Px ) acts as a free radical scavenger.
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谷 胱 甘肽过氧化物酶是生物机体内的自由基清除剂.
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来自互联网
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更多相关例句：
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He's just fit for a job as scavenger.
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他只配当个清道夫.【辞典例句】
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He is not a scavenger nor just a moving appetite as some sharks are.
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它不是食腐动物,也不像有些鲨鱼那样,只知道游来游去满足食欲.【英汉文学 - 老人与海】
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Mulberry red pigment hence was a good kind of natural radical scavenger.
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桑椹红色素是一种很好的天然自由基清除剂.【互联网】
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He be just fit for a job as scavenger.
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他正好当个清道夫之职.【互联网】
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Glutathione peroxidase ( GSH - Px ) acts as a free radical scavenger.
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谷 胱 甘肽过氧化物酶是生物机体内的自由基清除剂.【互联网】
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The practical applications of the scavenger resins are reviewed in this article.
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给出了清除树脂在组合化学中的具体应用实例.【互联网】
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Scavenger hunts can be as simple or involved as circumstances dictate.
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“拾荒式”搜索能作为例子或课程指引.【互联网】
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Proanthocyanidin is a effective natural free radical scavenger.
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原花青素是一种天然有效的自由基清除剂.【互联网】
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We had a scavenger hunt at the party.
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在聚会上,我们还玩了”寻宝”游戏.【互联网】
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Nine N - phenylhomophthalimide derivatives with the purities of 70 % ~95 % were synthesized via solution - phase synthesis utilizing scavenger resin.
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通过清除树脂辅助液相合成法合成了9个N - 苯基高邻苯酞酰亚胺衍生物,纯度70%~95%.【互联网】
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Conclusion The RPE cells can effectively ingest negatively charged macromolecules, possibly by scavenger receptor mediated endocytosis.
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受体介导的RPE细胞的内吞作用可能是ipm内大分子物质代谢的重要机制.【互联网】
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ESR spectrum approved that natural SOD and · OH scavenger could scavenge · OH in the system.
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利用顺磁共振(ESR)技术证实,加入活性SOD或·OH清除剂可淬灭体系中·OHESR信号.【互联网】
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Pro - Nogenol: Cell protector; Helps to transmit Vitamin C through the body; Free radical scavenger.
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细胞保护原; 协助维他命C在体内传送; 清除游离基.【互联网】
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Scavenger resin is a kind of solid _ supported reagent developed in the late five years.
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清除树脂是一种特殊的固相试剂.【互联网】
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These two kinds of fruIt'scavenger intestinal allows you to go to the toilet.
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这两种水果会通肠道让你上厕所.【互联网】
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