“vitamin B12”的概念、定义、翻译、参考文献-科学参考

单词	vitamin B12
释义	vitamin B12 vitamin B₁₂ [`vīd·ǝ·mǝn ¦bē¦twelv] ^BIOCHEMISTRY A group of closely related polypyrrole compounds containing trivalent cobalt; the antipernicious anemia factor, essential for normal hemopoiesis. Also known as cobalamin; cyanocobalamin; extrinsic factor.
随便看	electronic electronic absorption spectrum electronically agile radar electronic alternating-current voltmeter electronic altimeter electronic angular momentum electronic attitude directional indicator electronic azimuth marker communications package communication speed communications program communications relay station communications satellite communications traffic communication system communications zone indicator communication theory community community antenna television community classification community dial office commutated antenna direction finder commutating capacitor commutating pole commutating reactance

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