When Tai Shan was living the high life in D.C., he was regaled with birthday cakes and pears and cooked sweet potatoes. But now, the party's over.

在华盛顿，泰山受到了生日蛋糕和甜味番薯的款待，但是现在，这些都成为过去。

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But Harvard scientists fed two groups of mice either meat or sweet potatoes and prepared the items differently: either whole or pounded, raw or cooked-to create a variety of diets.

但哈佛科学家为了创造使膳食多样化，分别给两组老鼠喂食没切碎的肉和土豆及捣碎的肉和土豆。

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The “sweet” in these potatoes comes from an enzyme that converts most of the tuber's starches to sugars as it matures. This sweetness intensifies during storage and as the potato is cooked.

白薯之所以那么甜是因为它茎块中的淀粉在成熟的过程中转化成了糖份,而这种粉份在它存储和烹饪的过程中又有所加剧所以它是非常值得被你添加到节日菜单中的一种食品.

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