| 释义 |
〔vaccine〕A preparation of a weakened or killed pathogen, such as a bacterium or virus, or of a portion of the pathogen's structure that upon administration stimulates antibody production against the pathogen but is incapable of causing severe infection.疫苗，菌苗：削弱的或被杀死的病原菌的标本，如细菌或病毒，或病原菌结构的一部分，在配药时可产生对这种病原体的抗体同时又不可能引起严重传染 |