疫苗单词

　　There have been problems with the formulation of the vaccine.

　　疫苗的配方有些问题。

　　The researchers hope that such a vaccine could be available in about ten years' time.

　　研究人员期望能在大约10年内研制出这样的疫苗。

　　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。