crust

US /krʌst/
UK /krʌst/
"crust" picture
1.

面包皮, 硬皮

the hard outer part of bread

:
•
He cut the crust off his sandwich.
他把三明治的面包皮切掉了。
•
Some people prefer bread without the crust.
有些人喜欢没有面包皮的面包。
:
rindskinpeel
2.

壳, 层

a hard outer layer or covering of something

:
•
The earth's crust is made up of several layers.
地壳由几层组成。
•
A thin crust of ice formed on the pond.
池塘上结了一层薄薄的冰壳。
:
layercoatingshell
1.

结壳, 变硬

to form a hard outer layer or covering on something

:
•
The mud had begun to crust over.
泥巴开始结壳了。
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The wound will crust over as it heals.
伤口愈合时会结痂。
:
hardensolidifyscab
:
the upper crust