它们吞下石头，在食物在胃里消化之前，这些石头被用来帮助磨碎食物。

They swallow stones, stones that are used to help grind up the food before it's actually digested in the stomach.

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鹰不用牙齿切碎食物，它有一个叫做砂囊的胃，能磨碎食物。

Instead of teeth to break up the food... owls have a gizzard, a muscular stomach that grinds up the food.

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用食物处理机将开心果细细的磨碎，和全麦饼干、糖以及橙子皮混合，再与黄油混合。

In a food processor, finely grind pistachios with graham-cracker crumbs, sugar, and zest. Blend in butter.

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