Here are some good sources of protein, as listed by the U.S. Department of agriculture.

这是来自美国农业研究院列出的一些优质蛋白质食材表。

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Agriculture in the Department of Food Science ", and the date (see example attached)."

在食物科学部中的农业“，和日期。”(见到例子附件)。

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Agriculture in the Department of Food Science ", and the date (see example attached)."

在食物科学部中的农业“，和日期。”(见到例子附件)。

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