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缺乏叶酸是美国最常见的维生素缺乏症,但食素的妇女比食肉的平均叶酸食用量要多。
Deficiency is the most frequently encountered <em>vitamin</em> <em>deficiency</em> in the U.S., but vegetarian women consume more folic acid on average than meat-eaters.
缺乏叶酸是美国最常见的维生素缺乏症,但食素的妇女比食肉的平均叶酸食用量要多。
Deficiency is the most frequently encountered <em>vitamin</em> <em>deficiency</em> in the U.S., but vegetarian women consume more folic acid on average than meat-eaters.