求翻译：蛋白质是错综复杂、多种多样的大分子物质，是食品中必需氨基酸和非必需氨基酸的来源。人体利用这些氨基酸来满足生长发育、修复组织和维持正常健康生活的要求。这些大分子以含氮为其特征，参与了许多与各种有生命物质有复杂联系的生命过程。是什么意思？

Proteins are complex, diverse macromolecules, is the essential amino acids and non-food sources of essential amino acids. Human use of these amino acids to meet the growth and development, tissue repair and maintain the requirements of normal healthy life. These nitrogen-containing molecules to thei

Protein is a complex, a variety of large molecules in food substances that are essential amino acids and non-essential amino acids. Human use of these amino acids to meet growth, repair and maintenance of normal and healthy life. These large molecules with nitrogen content to its features, has been

The protein is intriguing, many and varied macro-molecule material, is in food the essential amino acids and the non-essential amino acids origin.The human body uses these amino acids to satisfy the growth growth, the repair organizes and maintains the normal health livelihood the request.These macr

Proteins are complex, a variety of macromolecular substances, are the source of essential amino acids in food and non-essential amino acids. Take advantage of these amino acids to meet the growth and development, requirements for tissues and maintain normal, healthy life. These large molecules with

Proteins are complex, a variety of macromolecular substances, are the source of essential amino acids in food and non-essential amino acids. Take advantage of these amino acids to meet the growth and development, requirements for tissues and maintain normal, healthy life. These large molecules with