vaccine

名词 vaccine:

1. immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies
   同义词：vaccinum

1. A prophylactic agent, device, or measure, such as a vaccine or drug.
   预防剂预防性的物质、器具或措施，比如疫苗或药物
2. The vaccine was used to protect the whole population against infection.
   这种疫苗用以为全体居民预防传染病。
3. The search for a new vaccine took priority over all other medical research.
   在各种医药研究中，应首先解决寻找新疫苗的问题。
4. This vaccine will give you immunity for two years.
   接种这种疫苗可有两年免疫力。