他们已经种痘，对天花有免疫力。

They are immune from smallpox due to vaccination.

youdao

这里还有我的种痘证书。

And here is my vaccination certificate.

youdao

种痘有反应了吗？

Did the vaccination take?

youdao

这种痘痘在夏天里会更多，我们必须采取措施来应对。

This vaccination blain will be more in summer, we must adopt measure to answer.

youdao

这种痘痘在夏天里会更多，我们必须采取措施来应对。

This vaccination blain will be more in summer, we must adopt measure to answer.

youdao