by finding the famous Broad Street pump--

他找到了著名的百老大街水泵
that the people who drank the water from that particular pump

饮用这个水泵产生的水的居民
were the ones who fell ill and took the disease back to their homes.

都被感染了并把疾病带回家
Snow did a good job of establishing

斯诺发现霍乱由水源传播
that cholera then was ingested in water, primarily;

这一点是很杰出的
although it was also demonstrated later that shellfish and vegetables--

虽然后来发现贝类和蔬菜
that is food--contaminated with fecal matter can also play a role.

也就是食物和排泄物也可以传播该疾病
This was--that's John Snow--

这就是约翰·斯诺
and this is the famous Broad Street pump

这是著名的百老大街水泵
that made such an important moment

这是医学科学和流行病学历史上
in the history of medical science and epidemiology.

的重要时刻
Though it's important to remember that--

虽然这很重要