Word · Frequency #8207
scum
浮渣；浮垢；浮藻
核心释义
A layer of impurities or algae that forms on the surface of a liquid.
- 1.
积聚在液体(尤其是熔融金属或水)表面的杂质层
A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).
- 2.
无用之人
worthless people
- 3.
漂浮在池塘表面的绿色水生植物(如藻类)
A greenish water vegetation (such as algae), usually found floating on the surface of ponds
- 4.
液体表面的一层杂质或水生植物薄膜
a film of impurities or vegetation that can form on the surface of a liquid
- 5.
污水池或化粪池最上层的液体
The topmost liquid layer of a cesspool or septic tank.
无用之人；败类；人渣；积聚在液体(尤其是熔融金属或水)表面的杂质层；无用之人；漂浮在池塘表面的绿色水生植物(如藻类)；液体表面的一层杂质或水生植物薄膜
用法In use
Those people are absolute scum for cheating the elderly.
用法提示：scum在此为不可数名词，比喻品德卑劣的人群。
He called the company's management scum after they laid off workers without warning.
用法提示：scum用作表语名词，表达强烈贬义。
Don't associate with such scum; they'll only bring you trouble.
用法提示：scum作宾语，指代卑鄙小人。
scum on [surface]
这里 scum 指水面上的浮层或浮渣，常与介词 on 连用。
Green scum on the pond made it look unhealthy.
池塘上的绿色浮渣让它看起来不健康。
be scum
用于骂人或表示极端鄙视，scum 在这种用法中通常不加冠词。
相关词与表达Connections
搭配Collocations
- scum of the earth
- 社会渣滓；人间败类
- He called them the scum of the earth.他称他们为社会渣滓。
- pond scum
- 池塘浮渣
- The pond was covered with green scum.池塘上覆盖着一层绿色的浮渣。
- human scum
- 人类败类
- Those criminals are human scum.那些罪犯是人类败类。
习语与比喻表达Idioms & figurative uses
- scum of the earth
- 社会渣滓；人渣He's a liar and a cheat—the scum of the earth.
学习提示Learner notes
记忆技巧Memory Tip
记忆：scum 音近 '屎壳'，让人想到液体表面的浮渣或社会渣滓。
语境与语域Context & Register
语域：informal 常见场景：贬义口语、侮辱性语境 本词用于贬低某人时非常强烈，通常出现在口语中，极少用于正式场合。
发音与拼写Pronunciation & Spelling
All listed words rhyme with scum (/skʌm/). Be careful of words like 'scam' (/skæm/) which look similar but have a different vowel sound.
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
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, WIKTIONARY.