And much easier to purify and know what you have at the end, than if you're trying to harvest it from a whole complex organism.

最终产品的纯化和鉴定也比,从复杂的生物体上提取和鉴定容易

耶鲁公开课 - 生物医学工程探索课程节选

A team of surgeons is working to harvest an organ at one site while another team of surgeons is working to prepare the recipient at another site, and the organ is flown there.

一组外科医生,将器官从供体取出的同时,另一组医生在另一个地方,为移植手术做准备,等待器官空运过去

耶鲁公开课 - 生物医学工程探索课程节选