| 释义 |
crustBrE /krʌst/ NAmE /krʌst/ noun [C , U ]the hard outer surface of bread 面包皮◆ sandwiches with the crusts cut off 切掉面包皮的三明治[C , usually sing. ]a layer of pastry, especially on top of a pie糕饼（尤指馅饼）酥皮◆ Bake until the crust is golden . 把糕饼烤至外皮呈金黄色。[C , U ]a hard layer or surface , especially above or around sth soft or liquid （尤指软物或液体上面、周围的）硬层，硬表面◆ a thin crust of ice 一层薄冰◆ the earth's crust 地壳 ➡ see also upper crust ● ˌearn a /your ˈcrust (BrE , informal ) to earn enough money to live on 挣钱糊口；谋生 |