So, you take the drop of blood, no further manipulations, you put it on a little device, the device filters out the blood cells, lets the serum go through, and you get a series of colors down in the bottom there.
好了，你只要提供一滴血液样本 然后将血液擦拭在试纸仪器上 仪器过滤了血液中的细胞，唯独让血清得以通过 然后，你在试纸层上 观察到了许多的颜色