| 单词 | vitamin |
| 释义 | vitamin (once / 2129 pages) n A vitamin is an organic substance your body needs to keep working properly. Vitamins are important to health. Your body needs food and water to stay alive, but it also needs vitamins to work properly. You get some Vitamin D from the sun, and lots of Vitamin C from citrus fruits such as oranges. Without vitamins, your immune system can weaken. Many people take vitamins in pill form to help them stay healthy. The word vitamin — originally vitamine — was coined by scientist Casimir Funk in the early 1900s. He combined vita, Latin for "life," with amine, from amino acids. WORD FAMILYvitamin: multivitamin, vitaminise, vitaminize, vitamins+/multivitamin: multivitamins/vitaminize: vitaminized USAGE EXAMPLESQ. Are decreasing levels of vitamin B12 in old age related to the insomnia from which so many older people suffer? New York Times(Dec 23, 2016) They shop online at UkusiBalkana.com for small luxuries from home, including Eurocrem, a Serbian chocolate spread, and Cedevita, a Croatian orange vitamin drink. Washington Post(Dec 21, 2016) Ingredients like potassium, electrolytes, milk thistle, vitamin B-12 and green tea and caffeine extracts process the toxins inherent in alcohol. Los Angeles Times(Dec 21, 2016) n any of a group of organic substances essential in small quantities to normal metabolism Hypo|Hyper fat-soluble vitamin any vitamin that is soluble in fats water-soluble vitaminany vitamin that is soluble in water A, antiophthalmic factor, axerophthol, vitamin Aany of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes B, B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complexoriginally thought to be a single vitamin but now separated into several B vitamins D, calciferol, cholecalciferol, ergocalciferol, viosterol, vitamin Da fat-soluble vitamin that prevents rickets E, tocopherol, vitamin Ea fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body antihemorrhagic factor, naphthoquinone, vitamin Ka fat-soluble vitamin that helps in the clotting of blood bioflavinoid, citrin, vitamin Pa vitamin that maintains the resistance of cell and capillary walls to permeation C, ascorbic acid, vitamin Ca vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy aliment, alimentation, nourishment, nutriment, nutrition, sustenance, victuals a source of materials to nourish the body |
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