n.接種疫苗；種痘
So vaccination efforts could target those areas. 所以接種疫苗的努力能針對(duì)那些地方。
Vaccination has made smallpox a very rare disease. 接種疫苗已使天花成為一種很稀罕的疾病。
And here is my vaccination certificate. 這里還有我的種痘證書。
