《曹沖稱象》結果破壞了盟國遠道而來的供品,下場只有.....
Vitamin C - Wikipedia, the free encyclopediaThe vast majority of animals and plants are able to synthesize vitamin C, through a sequence of enzyme-driven steps, which convert monosaccharides to vitamin C. In plants, this is accomplished through the conversion of mannose or galactose to ascorbic aci...
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