Make sure the ingredients list "100% whole-wheat flour." Breads simply labeled "wheat" are usually made with a mixture of enriched white flour and whole-wheat flour and have less fiber.

一定要确保面包原料表上写的是“100%全麦面粉”，因为那些仅仅标着原料为“小麦”的，往往是用精制白面粉和全麦面粉混合着烘焙而成，含的纤维素就少了。

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Then the mixture must be quickly enriched with extra fuel.

此时，混合物必须要用额外加入的燃料迅速地加浓。

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While most muscles in mammals contain a mixture of slow- and fast-twitch fiber types, some muscle beds are enriched for one type or the other, Spiegelman said.

Spiegelman说，大部分哺乳动物的肌肉包含两种类型的肌纤维，但有些肌肉是偏重于富含其中的一种。

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