标签：Polio 相关文章
By Gilbert da Costa Abuja 27 June 2006 Lawal Manesara who is a polio victim rides on a skate board along a street of Lagos, Nigeria Nigeria is to launch an ambitious immunization strategy to halt the spread of polio in Africa's most populous country
发表于:2019-01-13 / 阅读(86) / 评论(0)
2006年VOA标准英语（六月）
2006年VOA标准英语（六月）