- 
				
N-COUNT
				面包皮
				The crust on a loaf of bread is the outside part.
 
			- 
				
N-COUNT
				(馅饼的)酥皮
				A pie's crust is its cooked pastry.
 
			- 
				
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。 
			- 
				
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。 
			- 
				
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。