在医生琴纳的研究下把人痘术改进成牛痘术，实现了种痘术的第二次飞跃。
Jenner Edward, an Enligh doctor improved the vaccination to cowpox vaccination, and accomplished the second leap of vaccination.
一位英国医生爱德华•琴纳(Edward Jenner)，发现通过接种感染牛痘脓疱可以预防天花。
An English physician, Edward Jenner, discovered that by inoculating a person with pustules from the pox infection of a cow, smallpox could be prevented.
按下来请注意听琴是如何向蒙纳表示她可以立刻改正这个错误，解决客人提出的问题。
Straight away. I'll see to it straight away. I'll get you another straight away. Right away. I'll see to it right away. I'll get you another right away.
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