crusts
n.
1. 面包皮,面包边:面包的外层,通常比内部更硬。
2. 地壳:地球的外层,由岩石组成。
例句
When assembling the pie, wet the edges where the two crusts join.
包馅儿饼的时候,要把两张馅饼皮捏合的地方弄湿。
《柯林斯英汉双解大词典》
When assembling the pie, wet the edges where the two crusts join, to form a seal.
捏合馅饼时,弄湿两块面皮封合的边缘,以形成一个封口。
They had black crusts and they crowed like roosters!
它们有着黑色的外壳,它们会像公鸡一样啼叫!