crusts
n.
面包皮( crust的名词复数 );
糕饼等的酥皮;
（泥土、雪等）硬的外层;
外皮;
例句:
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When assembling the pie, wet the edges where the two crusts join.
捏合馅饼时，要弄湿两张饼皮粘连的地方。
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Now she nibbled at cheese and crusts like a frugal mouse.
来自NEWYORKER
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sandwiches with the crusts cut off
切掉面包皮的三明治
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When assembling the pie, wet the edges where the two crusts join, to form a seal.
在包馅饼时，先把两片馅饼皮边沿接头部分弄湿，再将其捏合。
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Anchovy paste sandwiches with the crusts cut off.
来自S. Brett
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The resulting pies had perfectly charred, crisp-edged, blistered crusts.
来自WSJ