So in this image, what you can see is that everything smaller than five nanometers is going from the blood, through the kidney, into the urine, and everything else that's bigger is retained.
所以在这个图中，你可以看到 所有小于5纳米的东西 都会从血液，穿过肾，变成尿液， 其他所有更大尺寸的会留下来。