| 单词 | polio |
| 释义 | polio polio n: (serious viral disease) (滤过性毒菌引起的严重疾病) SC 脊髓灰质炎，小儿麻痹症 jǐ suǐ huī zhì yán，xiǎo ér má bì zhèng Though polio is rare in the United States, it still occurs in other parts of the world. polio vaccine n: (substance that inoculates against poliomyelitis) SC 脊灰疫苗 jǐ huī yì miáo SC 小儿麻痹症疫苗 jǐ huī yì miáo，xiǎo ér má bì zhèng yì miáo The American medical researcher Jonas Salk developed the first polio vaccine. |
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