英语词汇“B 12,Vitamin”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	B 12,Vitamin
释义	B 12,Vitamin 《英文msh词典》B 12,Vitamin [入口词] B 12,Vitamin [主题词] Vitamin B 12 [英文释义] A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues.
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