单词 | vitamin A1 |
释义 | vitamin A1 (extremely rare) n WORD FAMILY vitamin A1 n an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene Syn|Hyper retinol A, antiophthalmic factor, axerophthol, vitamin A any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes |
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