Who could forget the ghostly figure of Freddy Krueger: a disfigured face long razor-sharp knives flash from his fingers and his sinister way of turning the dreams of his victims into deadly nightmares.

VOA: standard.2010.05.04

If smallpox occurred in your community, about 30 percent of the people that acquire the disease would die from it; the other 70 percent could be disabled or permanently disfigured as a result of the disease.

如果你周围有人得了天花的话,那么百分之三十的天花病人,会因此死亡,剩下的百分之七十会成为残疾或永久毁容,这都是天花造成的

耶鲁公开课 - 生物医学工程探索课程节选

If smallpox occurred in your community, about 30 percent of the people that acquire the disease would die from it; the other 70 percent could be disabled or permanently disfigured as a result of the disease.

如果你周围有人得了天花的话,那么百分之三十的天花病人,会因此死亡,剩下的百分之七十会成为残疾或永久毁容,这都是天花造成的

耶鲁公开课 - 生物医学工程探索课程节选