Vaccination immunizes people against smallpox . 种牛痘可以免患天花。
2.
Suppose she wouldn t let herself be vaccinated again 她恐怕是不肯重新种牛痘了。
3.
Vaccination immunizes people against smallpox 种牛痘能使人免患天花。
4.
Vaccination for smallpox is efficacious 种牛痘防天花是有效的。
5.
The government ordered that all sailors must be vaccinated before they went to sea , and the doctors of the royal navy were so pleased that there was no more smallpox in the ships that they gave jenner a gold medal 政府命令所有的水手出海之前都要种牛痘，皇家海军的医生对船上没有了天花太高兴了，他们给杰纳颁发了一枚金牌。
6.
His idea focused on taking the advanced points in western learning , popularizing the smallpox vaccination , swearing off opium , reinforcing civil rights and promoting social effect of newspapers in order to make our country rich arid powerful 这种思想主要表现在主张采西学重实效促进富国强兵、宣传普种牛痘和戒除鸦片以及提出参用民权与重视报纸的社会作用等方面。
