polio英 /'pəʊlɪəʊ/美 /'polɪo/释义n. 脊髓灰质炎, 小儿麻痹症\n[医] 脊髓灰质炎例句Gladys was crippled by polio at the age of 3.格拉迪丝3岁时因小儿麻痹症而瘸了。