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Jell-o is just a hydrated solution of collagen and it contains a lot of water.
吉露果冻就是一种水合的胶原蛋白溶液,它含水极多
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Jell-o is just a hydrated solution of collagen and it contains a lot of water.
吉露果冻就是一种水合的胶原蛋白溶液,它含水极多
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