ReadWriteQuiz
Chinese dictionary
v.immunity
我们要进行大规模的免疫工作。
We need carry out a mass immunization campaign.
医生已经为孩子们做了小儿麻痹免疫。
Doctors have immunized the children against poliomyelitis.
他们给一些老鼠注射了一针减毒活疫苗进行免疫。
They immunized some mice with a dose of the live vaccine.
被动免疫
passive immunity
有益于免疫系统的一种药物
a drug that has a beneficial effect on the immune system