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				N-COUNT 面包皮 The crust on a loaf of bread is the outside part. 
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				N-COUNT (馅饼的)酥皮 A pie's crust is its cooked pastry. 
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				N-COUNT (尤指较软或较湿的物质上的)硬层,硬皮 A crust is a hard layer of something, especially on top of a softer or wetter substance. 例句 As the water evaporates, a crust of salt is left on the surface of the soil.
						随着水分的蒸发,地面上留下了一层结晶盐。
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				N-COUNT 地壳 The earth's crust is its outer layer. 例句 Earthquakes leave scars in the earth's crust.
						地震会在地壳上留下裂痕。
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				PHRASE (尤指通过做不愿意做的工作)谋生 If you earn a crust, you earn enough money to live on, especially by doing work you would prefer not to do. 例句 In his early days, he would do almost anything to earn a crust from the sport.
						早年为了能在体育界混口饭吃,他几乎什么都做。