We can put those onto a material, and we can make that material very complex if we want to, and we can then grow that up in the lab or we can put it straight back into the patient.
把它们放在某种材料上， 如果需要，我们还可以把材料弄得复杂一点， 然后我们就能在实验室里进行培养， 或者就直接放回病人身体内。