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山药：长在地下的补药文／王永寿山药又称薯蓣、山芋、淮山药，属多年生草本植物。地下茎为食用部分，呈圆柱形，肉质肥厚。山药作为蔬菜食用，鲜嫩粘滑，别有风味。作为药用，自古被视为一种物美价廉的补虚佳品。山药不但含有丰富的淀粉、蛋白质、脂肪、多种维生素、糖类...
Yam: long supplement medicine in the underground / Wang Yongshou Yam, also known as yam, potato, yam medicine, is a perennial herb. Underground stems for the edible part, cylindrical, succulent. Yam as a vegetable, fresh sticky slippery, do not have flavor. As a medicinal, since ancient times was regarded as a cheap tonic quality goods. Yam is not only rich in starch, protein, fat, vitamins, carbohydrates ...