jiē / zhǒng / yì / miáo / kě / yǐ / yǒu / xiào / yù / fáng / jǐ / suǐ / huī / zhì / yán / de / fā / shēng

接种疫苗可以有效预防脊髓灰质炎的发生。

Vaccination can effectively prevent the occurrence of poliomyelitis.