- 释义：
- n. 小儿麻痹症
- 例句：
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She was struck down by polio at the age of four.
她四岁那年因小儿麻痺症死去.
换一句
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Children have been routinely immunized against polio since 1958.
自从1958年以来,儿童都按照常规接种防治小儿麻痹症的疫苗.
换一句
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The polio vaccine has saved millions of lives.
脊髓灰质炎疫苗挽救了数以百万计的生命.
换一句