n.脊髓灰质炎；小儿麻痹症
One of the polio vaccine的s形式" target="_blank">vaccines is a killed vaccine. 一种脊髓灰质炎疫苗就是死病毒疫苗。
Polio has been virtually eradicated in Brazil. 在巴西脊髓灰质炎实际上已经根除。
He was struck down by polio when he was a boy. 他在孩提时患了小儿麻痹症。
Dr. Hall is studying a new treatment for polio. 贺尔医师正在研究小儿麻痹症的新治疗法。
n.脊髓灰质炎；小儿麻痹症
