/ˈvæksɪneɪt ||; ˈvæksṇˌet/verb [T] vaccinate sb (against sth) (often passive 常用于被动语态) to protect a person or an animal against a disease by giving him/her/it a mild form of the disease with a needle which is put under the skin(an injection) 给…接种疫苗；给…打预防针: Were you vaccinated against measles as a child? 你小时候接种过痲疹疫苗没有？ [SYN] Immunize and inoculate have similar meanings. immunize和inoculate意思相近。➔vaccination /ˌvæksɪˈneɪʃn ||; ˌvæksṇˈeʃən/ noun [C,U]