scum
n. 浮渣, 糟粕, 浮藻, 熔渣, 不起好作用的人 vt. 撇去(浮沫) vi. 产生泡沫
发音
词形变化
别名
释义与例句
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1.
A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).
不可数 可数During smelting, scum rises to the surface and is then removed by the smelter.
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2.
A greenish water vegetation (such as algae), usually found floating on the surface of ponds
不可数 可数These organisms form scum in large quantities.
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3.
The topmost liquid layer of a cesspool or septic tank.
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4.
Semen.
美国 俚语 不可数 可数 -
5.
A reprehensible person or persons.
可数 贬义 俚语 不可数People who sell used-up pens are scum, just total low-lives.
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1.
To remove the layer of scum from (a liquid etc.).
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2.
To remove (something) as scum.
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3.
To become covered with scum.
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4.
To scour (the land, sea, etc.).
废旧 -
5.
To gather together, as scum.
废旧 -
6.
To startscum or savescum.
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词汇关系
相关短语
词源
From Middle English scum, scome, skum, skome, scumme, from Middle Low German or Middle Dutch schūme (“foam”), from Old Dutch *scūm, from Frankish *skūm, from Proto-Germanic *skūmaz (“froth, foam”), from Proto-Indo-European *(s)kewH- (“to cover, conceal”). Cognate with Dutch schuim (“foam”), West Frisian skuum, German Schaum (“foam”), Danish and Swedish skum (“foam”). Compare also French écume (“scum”), Italian schiuma (“foam”), Saterland Frisian Skuum, Sicilian scuma (“foam”), Walloon schome (“scum, foam”), Lithuanian šamas (“catfish”) and skanus (“tasty”) from the same Germanic source. Related to skim.
来源：wiktionary