infectionsn.感染名词infection的复数形式.infectionn.传染；传染病；影响infection of newborn新生儿感染infectiong to Dalian对大连生态的影响Infection percentage感染率infection experiment感染试验infection of the lung肺部感染Infection by Digramma双线绦虫属感染Infection by Fasciola片吸虫属感染infection through air空气传染Infection by Tyzzeria泰泽属感染Infection probability感染概率