against polio翻译
against polio的基本解释
读音: 美: 英:
针对脊髓灰质炎：指预防或治疗脊髓灰质炎的措施或药物。
例句
Some polio-free countries may also require travellers from Pakistan to be immunized against polio in order to obtain an entry visa.某些无脊髓灰质炎的国家也可能会要求来自巴基斯坦的旅客进行脊髓灰质炎免疫接种，以获得入境签证。Travellers from Pakistan should have a full course of vaccination against polio before leaving Pakistan, with a minimum one dose of OPV before departure.从巴基斯坦出发的旅客应在离开巴基斯坦前完成免疫接种的完整疗程，出发前至少要服用一剂口服脊髓灰质炎疫苗。
Also, the vaccines against polio are not as effective as the smallpox vaccine, which was so powerful that a single vaccination protected almost everyone.同时，抵抗小儿麻痹症病毒的疫苗的功效没有像天花疫苗那么有效，天花疫苗非常有效，以至于它只需要打一针就可以保护一个人不受侵害。
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