In such cases the proteins added to the dough increase its water binding capacity and provide a juicy crumb .

在这种情况下， 向面团中添加的这些蛋白质就可提高面团结合水的能力而且可使 面包汁液 较多。

The police suddenly examined the house to a crumb but found nothing valuable for their search .

警察突然仔细地搜查了这栋房子，但没有 搜 到什么重要的东西。

When he had slowed to twenty and stretched his wings again at last the boat was a crumb on the sea four thousand feet below .

后来他把速度一直放慢 到二十英里，最后展开双翅，四千英尺下面的渔船已经 变成 漂在海面上的一 粒 面包 屑了。