单词	active serum
释义	active serum noun : a serum that contains complement Word History First Known Use 1894, in the meaning defined above
随便看	natl NATO natos natr- natrices natricine natriums natriureses natriuresis natriuretic natriuretics Natrix natrixes natro- natroalunite natrochalcite natrojarosite natrolite natrolites natromontebrasite natron Natron, Lake natrons natrophilite natruresis

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