| 单词 | polio vaccine |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔DANGEROUS〕A polio vaccine is recommended before travelling to high-risk areas. 建议去小儿麻痹症高发地区旅行之前，先要注射小儿麻痹症疫苗。朗文写作活用〔vaccine〕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。牛津搭配Vaccination by mouth--on a lump of sugar--is the most common way of administering the polio vaccine, though others are usually given by injection.用一块方糖进行口服接种，是施行小儿麻痹症疫苗最常见的接种的方法，而其他疫苗通常采用注射接种的方法。剑桥国际 |
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