And then as they become toddlers as they started crawling around, they get that lead dust on their hands from the windowsills in the floors, they put it in their mouth."

VOA: standard.2009.12.19

They would get lesions on their hands, for example, the part of their body that was really in close contact with the cows.

比如,在与奶牛亲密接触的身体部位,也就是手上 也许会出斑

耶鲁公开课 - 生物医学工程探索课程节选

They would get lesions on their hands, for example, the part of their body that was really in close contact with the cows.

比如,在与奶牛亲密接触的身体部位,也就是手上 也许会出斑

耶鲁公开课 - 生物医学工程探索课程节选