crust

地壳；外壳；面包皮；坚硬外皮英释nnthe hard brown outer surface of bread

结硬皮；结成外壳vv

1 earth's crust,地壳

2 continental crust,大陆地壳

3 weathering crust,风化壳

4 lower crust,下地壳；下部地壳

5 earth crust,地壳

6 upper crust,上流社会

7 oceanic crust,海洋地壳，大洋地壳

8 soil crust,土壤结皮；土结皮；土壤表壳

9 weathered crust,风化壳

10 crust leather,坯革；半硝革

11 pie crust,派皮；大馅饼皮；做馅饼的糊

1 sandwiches with the crusts cut off.切去边皮的三明治