进食可刺激胃腺细胞分泌胃液,胃液中含有胃酸及胃蛋白酶,有利于消化。 1胃酸可以杀灭进入胃内的细菌,这属于机体的 免疫;胃蛋白酶仅对 Template




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tomski进食可刺激胃腺细胞分泌胃液,胃液中含有胃酸及胃蛋白酶,有利于消化。 1胃酸可以杀灭进入胃内的细菌,这属于机体的 免疫;胃蛋白酶仅对 coloring