chapter 137 Shocked the whole audience!

Every piece of genuine dodder has a navel-shaped depression, but the fake ones don’t! For ordinary people, you must use a magnifying glass to observe the existence of this kind of depression. If this is not possible, you can only boil it in water to see whether the dodder will spin and become sticky. Of course, Mahmud Du is not an ordinary person, at least not in terms of eyesight. Which member of the special forces is short-sighted? What's more, a warrior king like Mahmud Du? It...