Conjugate vaccine短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 结合疫苗 Africa has a new conjugate vaccine with the power to eliminate epidemics in the meningitis belt. 非洲获得了能够在脑膜炎地带消除脑膜炎流行病的新结合疫苗。 who An improved and affordable conjugate vaccine is expected by2010. 到2010年预期有一种改进的和可负担得起的联合疫苗。 who