Word · CEFR C2 · Frequency #21795
scavenger
拾荒者
核心释义
a person who searches through rubbish or collects things discarded by others
- 1.
拾荒者,尤指在垃圾中搜寻食物或有用物品的人。
Someone who scavenges, especially one who searches through rubbish for food or useful things.
- 2.
清除剂
a chemical agent that is added to a chemical mixture to counteract the effects of impurities
- 3.
以腐肉等腐烂物质为食的动物。
An animal that feeds on decaying matter such as carrion.
- 4.
拾荒者
someone who collects things that have been discarded by others
- 5.
用于清除空气或溶液中杂质的物质。
A substance used to remove impurities from the air or from a solution.
- 6.
食腐动物
any animal that feeds on refuse and other decaying organic matter
食腐动物;清除剂;拾荒者,尤指在垃圾中搜寻食物或有用物品的人。;以腐肉等腐烂物质为食的动物。;用于清除空气或溶液中杂质的物质。
用法In use
The chemist added a scavenger to the reaction mixture to remove oxygen.
用法提示:此处scavenger用作名词,意为清除剂,指添加以去除杂质的化学试剂。
In industrial processes, scavengers are used to neutralize harmful impurities.
用法提示:此处scavengers为scavenger的复数形式,仍为名词,指清除剂。
This polymer synthesis requires a radical scavenger to prevent unwanted side reactions.
用法提示:此处scavenger用作名词,特指自由基清除剂,用于抑制副反应。
scavenger for [impurities]
表示清除特定物质的清除剂。
The chemists added a scavenger for impurities.
化学家添加了一种杂质清除剂。
add a scavenger to [something]
常用搭配,表示往某物中加入清除剂。
相关词与表达Connections
搭配Collocations
- urban scavenger
- 城市拾荒者
- The urban scavenger sorted through the trash for scraps of metal.那位城市拾荒者翻捡垃圾,寻找金属碎片。
- scavenger species
- 食腐动物物种
- Many scavenger species help remove dead animals from the roadside.许多食腐物种帮助清除路边的动物尸体。
- oxygen scavenger
- 除氧剂
- The cooling system uses an oxygen scavenger to protect the pipes.冷却系统使用除氧剂来保护管道。
习语与比喻表达Idioms & figurative uses
- scavenger hunt
- 寻宝游戏,一种参与者按清单寻找物品的活动
学习提示Learner notes
记忆技巧Memory Tip
联想scavenger hunt(寻宝游戏)里大家四处搜寻——拾荒者、食腐动物、清除剂都离不开'搜寻/清理'。
语境与语域Context & Register
语域:neutral 常见场景:新闻报道、垃圾回收与环保议题、城市生活或纪实描写 此义项指在垃圾中寻找食物或有用物品的人,通常为中性偏书面用法,比较常见于新闻报道或环保、垃圾回收等话题。
语法说明Grammar Note
可数名词,复数形式为scavengers。
发音与拼写Pronunciation & Spelling
scavenger /ˈskævəndʒɚ/ 没有常见的完全押韵词。passenger /ˈpæsɪndʒɚ/、messenger /ˈmɛsɪndʒɚ/ 都以 -enger 结尾,但读作 /ɪndʒɚ/,不是 /əndʒɚ/,所以并不押韵。avenger /əˈvɛndʒɚ/ 拼写含 -venger,但重音在第二音节且元音不同,也不押韵。forager、manager、harbinger 只是拼写或意思相像,读音差别更大。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.