1. What do you know about infectious diseases?
你对传染性疾病了解多少?
2. John Snow was a famous doctor in London – so expert, indeed, that he attended Queen Victoria as her personal physician.
约翰?斯诺是伦敦一位著名的医生——他的确医术精湛，因而成为维多利亚女王的私人大夫。
3. But he became inspired when he thought about helping ordinary people exposed to cholera.
但当他一想到要帮助患了霍乱的普通老百姓，他就感到很振奋。
4. Neither its cause, nor its cure was understood.
人们既不知道它的病源，也不了解它的治疗方法。
5. He knew that cholera would never be controlled until its cause was found.
他知道，在找到病源之前，霍乱疫情是无法控制的。
6. The second suggested that people absorbed this disease into their bodies with their meals.
第二种看法是在吃饭的时候人们把这种病毒引入体内的。
7. John Snow suspected that the second theory was correct but he needed evidence.
约翰?斯诺猜想第二个理论是正确的，但他需要证据。
8. It seemed that the water was to blame.
看来要归罪于饮用水了。
9. He immediately told the astonished people in Broad Street to remove the handle from the pump so that it could not be used.
约翰?斯诺马上叫宽街上惊惶失措的老百姓拆掉水泵的把手，这样水泵就用不成了。
10. In another part of London, he found supporting evidence from two other deaths that were linked to the Broad Street outbreak.
在伦敦的另一个地区，他从两个与宽街爆发的霍乱有关联的死亡病例中又发现了有力证据。