| 单词 | vitamin B12 |
| 释义 | vitamin B12 (once / 166470 pages) n WORD FAMILY vitamin B12 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) For adults over 50, blood levels of vitamin B12 can become low enough to compromise healthy brain and muscle function. New York Times(Nov 21, 2016) If you have stubborn sores, you could be deficient in certain nutrients, such as folate, iron, or vitamin B12. Time(Nov 11, 2016) n a B vitamin that is used to treat pernicious anemia Syn|Hyper antipernicious anemia factor, cobalamin, cyanocobalamin B, B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complex originally thought to be a single vitamin but now separated into several B vitamins |
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