crust

1. N-COUNT The crust on a loaf of bread is the outside part. 面包皮

Cut the crusts off the bread and soak the bread in the milk. 切掉面包皮，將面包浸在牛奶中。

2. N-COUNT A pie's crust is its cooked pastry. 餡餅皮

The Key lime pie was bursting with flavour. Good crust, too. “基”牌酸橙派味道很濃，外皮也很好。

3. N-COUNT A crust is a hard layer of something, especially on top of a softer or wetter substance. 硬外殼

As the water evaporates, a crust of salt is left on the surface of the soil. 水蒸發(fā)后，土壤表面留下一層鹽。

4. N-COUNT The Earth's crust is its outer layer. 地殼

Earthquakes leave scars in the Earth's crust. 地震會在地殼上留下痕跡。