1. 'polio'是来自美国的词语，意为小儿麻痹症。
2. 例句1：Polio is a highly infectious disease caused by a virus. (小儿麻痹症是一种由病毒引起的高度传染性疾病。)
3. 例句2：In 1953, Jonas Salk developed the first effective polio vaccine. (xx年，琼纳斯·索尔克开发出了第一种有效的小儿麻痹症疫苗。)
4. 例句3：Polio was once a common disease in the United States. (小儿麻痹症曾经是美国一个普遍的疾病。)
5. 例句4：Polio can cause paralysis and even death. (小儿麻痹症会导致瘫痪甚至死亡。)
6. 例句5：Many children were affected by polio before the vaccine was developed. (在疫苗开发之前，许多儿童受到小儿麻痹症的影响。)
7. 例句6：The global fight against polio continues to this day. (全球对小儿麻痹症的斗争至今仍在进行。)
8. 例句7：Polio is preventable with vaccination. (通过接种疫苗可以预防小儿麻痹症。)
9. 例句8：Polio has been eradicated in many countries thanks to vaccination efforts. (由于接种疫苗的努力，许多国家已经根除了小儿麻痹症。)
10. 例句9：The polio vaccine is included in the routine childhood immunization schedule. (小儿麻痹症疫苗被包括在常规的儿童免疫接种计划中。)
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