英语词汇“polio vaccine”的释义、用法及例句翻译-英汉例句词典

词汇	polio vaccine
例句	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。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。
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