crust

复数：crusts过去式：crusted过去分词：crusted现在分词：crusting第三人称单数：crusts

1. [C][U]面包皮; 糕饼等的酥皮 hard outer surface of a loaf of bread; pastry covering of a pie, tart, etc.
2. [C][U](泥土、雪等)硬的外层 a hard outer covering, as of earth or snow

• dry crust干面包皮

• earth crust地壳
• rice crusts锅巴

• crust of ice冰层

earth's crust地壳

continental crust大陆地壳

weathering crust风化壳

lower crust下地壳；下部地壳

earth crust地壳

upper crust上流社会

oceanic crust海洋地壳，大洋地壳

soil crust土壤结皮；土结皮；土壤表壳

weathered crust风化壳

crust leather坯革；半硝革

pie crust派皮；大馅饼皮；做馅饼的糊

1. The earth's crust is layered..
   地球的外壳是分层的。
2. The crust on the snow was thick enough for us to walk on it.
   外层的雪已经冻硬，可以在上面行走。
3. Please cut the bread into slices and remove the crust.
   请将面包切片并去除外壳。
4. The crust of the bread is burnt.
   这块面包的外皮烤焦了。

1. The snow crusted the lake last night.
   昨夜的雪使湖面结了冰。

1. The snow may crust at night, due to outward radiation.
   由于外部辐射，晚上雪可能结成雪壳。