- 《英文msh词典》Eritron
- [入口词] Eritron
- [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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Last modified time:Mon, 11 Aug 2025 00:29:56 GMT