This is something created by the Wyss Institute in Boston, and what they have done here, if we can run the little video, is to take cells from an individual, turn them into the kinds of cells that are present in the lung, and determine what would happen if you added to this various drug compounds to see if they are toxic or safe.
这是波士顿的韦斯研究机构制造的模型。 他们所做的，我们继续看下去， 是从个体中提取细胞， 把它们变成肺脏中出现的细胞的类型， 然后他们他们添加各种药物化合物 看会发生什么 检测是有害，还是安全。