vaccination 考研GRE专八

I'm to have a vaccination tomorrow.

我明天去。

Smallpox can be contained by vaccination.

牛以控制住天花。

I read some publicity about vaccinations while waiting my turn at the doctor’s.

在医生那儿候诊时，我读了一些关于的宣传。

Did the vaccination take?

有反应了吗？

Vaccinations ensure one against diseases.

以预防疾病。

Vaccination immunizes people against smallpox.

牛能使人免患天花。

Vaccination for smallpox is efficacious.

牛防天花是有效的。