VOA常速英語：非洲尼日利亞致力于終結(jié)小兒麻痹癥

00:00

00:00

MP3下載 文本下載

https://online2.tingclass.net/lesson/shi0529/0009/9867/20160823.mp3

https://image.tingclass.net/statics/js/2012

Nigeria has launched an emergency polio vaccination campaign after two new cases of the disease paralyzed children earlier this month (August 11). The government says it will immunize 56 million children by November. VOA's Carol Pearson explains why it’s so important that Nigeria succeed.