vaccine造句
Seven million doses of
vaccine are annually given to British children.
英国孩子每年要接种7百万剂疫苗。
Roll on the day someone develops an effective
vaccine against malaria.
盼望有一天有人会研制出一种能有效预防疟疾的疫苗。
The monkeys had been immunized with a
vaccine made from infected cells.
这些猴子已经注射了由受感染的细胞培养而成的疫苗。