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关注:1
2013-05-23 12:21
求翻译:Fats and oils are the most concentrated source of food energy. They provide 9 kcal of energy per gram which is approximtely double the enrgy provided by protein and carbohy draates.是什么意思?![]() ![]() Fats and oils are the most concentrated source of food energy. They provide 9 kcal of energy per gram which is approximtely double the enrgy provided by protein and carbohy draates.
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