| 释义 |
heptavalent 英音 [ ˌheptəˈveɪlənt ] 美音 [ ˈheptəˌveɪlənt ] 释义 [化学] 七价的 例句 1·A heptavalent vaccine protecting against meningitis A and C was licensed in 2007. 预防甲型和丙型脑膜炎的七价疫苗于2007年获得许可。 2·A tetravalent meningococcal meningitis vaccine (licensed in the United States) and a heptavalent vaccine protecting against meningitis A and C (to be licensed in 2007); 一种四价流行性脑脊髓膜炎疫苗(已在美利坚合众国获许可证)和一种预防脑膜炎A和C的七价疫苗(将于2007年注册);
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