vaccine
US /vækˈsiːn/
UK /vækˈsiːn/

1.
疫苗
a substance put into a person's or animal's body to protect them from a disease by causing them to produce antibodies
:
•
The new vaccine offers protection against several strains of the virus.
新疫苗能有效预防多种病毒株。
•
Children receive various vaccines as part of their immunization schedule.
儿童接种各种疫苗是其免疫计划的一部分。