crust

noun

/krʌst/

[countable, uncountable]Idioms

the hard outer surface of bread面包皮
- sandwiches with the crusts cut off切掉面包皮的三明治
- We saved a few crusts of bread for the birds.我们留下一些面包皮喂小鸟。
Collocations Dictionary
adjective
- thick
- thin
- flaky
- …
phrases
- a crust of bread
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。
see also pie crust
Collocations Dictionary
adjective
- thick
- thin
- flaky
- …
phrases
- a crust of bread
the outer layer of rock that forms the surface of the earth or another planet面包皮
- the earth’s crust地壳
a hard layer or surface, especially above or around something 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 mud had formed a thick crust on the surface of the road.路面上结了一层又厚又硬的泥。
- Put the lid on, or a crust will form on the paints.把盖子盖好，否则颜料表层会硬化。
Collocations Dictionary
adjective
- thick
- thin
verb + crust
- form
crust + verb
- form
preposition
- crust of
phrases
- the earth’s crust

verb

/krʌst/

[intransitive, transitive]

动词形式

present simple I / you / we / they crust	/krʌst/ /krʌst/
he / she / it crusts	/krʌsts/ /krʌsts/
past simple crusted	/ˈkrʌstɪd/ /ˈkrʌstɪd/
past participle crusted	/ˈkrʌstɪd/ /ˈkrʌstɪd/
-ing form crusting	/ˈkrʌstɪŋ/ /ˈkrʌstɪŋ/

to form a hard layer; to cover something with a hard layer地壳
- crust over with something Water was beginning to crust over with ice as temperatures dropped.随着温度的下降，水开始结冰。
- crust over Once the blisters have crusted over, the disease is not likely to spread.一旦水泡结痂，疾病就不太可能扩散了。
- crust something Dirt crusted her cheek.她的脸颊布满污垢。
词源Middle English: from Old French crouste, from Latin crusta ‘rind, shell, crust’.