A fellow by the name of Matthew Harris at the University of Wisconsin in Madison actually figured out a way to stimulate the gene for teeth, and so was able to actually turn the tooth gene on and produce teeth in chickens.
一个叫马修·海瑞斯的人 在威斯康辛麦迪逊大学工作 发现了如何刺激 牙齿基因的生长 所以他能够让牙齿基因生长 在鸡身上长牙齿