单词	heptavalent
释义	heptavalent /ˌhɛptəˈveɪl(ə)nt / adjective Chemistry Having a valency of seven.There is no evidence before me of the solubility either of divalent or of heptavalent manganese.... Administration of trivalent licensed antitoxin or heptavalent botulinum may prevent or decrease a patient's progression to respiratory failure and hasten recovery. The new heptavalent conjugated pneumococcal vaccine should be given from two months of age.
随便看	NKVD NL NLD NLF NLP NLRB NLT nm n.m. N.Mex. NMI nmol nmoli NMR NNE NNI NNP NNW n.o. no No. No. 2 pencil noa NOAA no-account

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