单词	dimethylnitrosamine
释义	di·meth·yl·ni·tros·a·mine (dī-mĕth′əl-nī-trōsə-mēn′, -nī′trō-sămĭn) n. See NDMA.
随便看	now NOW NOW account nowadays now and again now and again/then now and anon now and then noway no way nowhere nowhere near nowheres nowhither no-win nowise nowness noxious noxiously noxiousness Noyes nozzle Np NP NPN

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