the tough outer part of a loaf of bread
面包皮
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a sandwich with the crusts cut off 一个切掉了外皮的三明治
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[mass noun]
I tore off several pieces of crust from the loaf .我从面包上撕下了几块皮。
a hard, dry scrap of bread
干面包片
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a kindly old woman might give her a crust .一位仁慈的老太太可能会给她一片干面包。
〈非正式〉 生活,生计
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I've been earning a crust wherever I can .我一直在到处谋生。
a layer of pastry covering a pie
馅饼皮。
a hardened layer, coating, or deposit on the surface of something, especially something soft
(尤指软物表面的)硬外皮,外壳
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a crust of snow 雪壳。
the outermost layer of rock of which a planet consists, especially the part of the earth above the mantle
(尤指地球等行星的)地壳
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the earth's crust 地球的地壳
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[mass noun]
at the mid-ocean ridge new crust is formed .新的地壳在洋中脊形成。
a deposit of tartrates and other substances formed in wine aged in the bottle, especially port
(尤指波尔图葡萄酒瓶中的)酸式酒石酸钾沉淀。
form into a hard outer layer
形成(或结成)硬皮(或硬壳)
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the blisters eventually crust over .水疱终于结痂了。
[with obj.]cover with a hard outer layer
用硬皮(或硬壳)覆盖
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the burns crusted his cheek .他的脸上长满了络腮胡子。
"Middle English: from Old French