常見例句live poliovaccine 脊髓灰質炎活疫苗(免)inactivated poliovaccine 滅活的脊髓灰質炎疫苗an outstanding example is the development of an effective poliovaccine by the american research scientist Jonas E. Salk in the early 1950' s. The Salk Vaccine greatly reduces the number of polio cases. 美國從事研究工作的科學家,瓊納斯·E·索克在50年代初研制出抗原質脊髓炎的有效疫苗就是一個突出的例子。索克疫苗極大地減少了患病人數(shù)。 返回 poliovaccine