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Vitaminsareorganiccompoundsnecessaryforthenormalgrowthoflife.necessary和Compounds之间如何连接起来的,没明白

题目详情
Vitamins are organic compounds necessary for the normal growth of life.necessary和Compounds 之间如何连接起来的,没明白
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答案和解析
Vitamins are (organic compounds) necessary for the normal growth of life.