求翻译：而鸭肉的营养价值很高，现代研究证明，鸭肉属于高蛋白、低脂肪、低胆固醇食品，蛋白质含量高达18%，比畜肉含量高得多，并且鸭肉蛋白质中必需氨基酸比值与人体较为接近，易被人体消化吸收。是什么意思？

High nutritional value of duck, modern studies have shown, duck belongs to the high-protein, low fat, low cholesterol food, the protein content of up to 18%, much higher than the meat content, and the duck protein essential amino acid ratio and the body more close, easily digested.

The duck meat, and a very high nutritional value, and modern research has shown that duck is a high-protein, low-fat, low-cholesterol foods, high-protein, up to 18 per cent more than livestock and meat content is much higher, and duck meat protein, essential amino acids for human value and close to

But the duck meat nutritional value is very high, the modern research proof, the duck meat belongs to the high protein, the low fat, low cholesterol food, the protein content reaches as high as 18%, is much higher than the livestock meat content, and in the duck meat protein the essential amino acid

And duck meat nutrition value is very high, modern studies show that duck belongs to the high protein, low fat, low cholesterol foods, protein content as high as 18%, much higher than the content of animal meat, and meat protein and essential amino acid ratios in humans is closer to, susceptible to

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