egg sandwiches with the crusts cut off去掉面包皮的鸡蛋三明治

Do you want the crust?你要最边上的面包片吗？

The snow had a fine crust on it.雪面上有一层薄薄的冰。

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。

Earthquakes leave scars in the Earth's crust.地震会在地壳上留下裂痕。

So what do you do for a crust?你是做什么工作的？

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。

Grime had crusted the old city buildings.古老的城市建筑物上落了厚厚的一层尘垢。