A person in the Song

“I can't understand it. What is interesting about this physical experiment, chemical foundation reaction, elementary school ancient poems, must-memorize 100 Chinese geography, nature and science... Some characters are unclear, and there are large characters.”,Lü Yijian recounted the events and then asked, "Is there any way to verify this",“He was in a coma. The imperial physician said it was blood stasis, with blood vessels in the brain clogged and stagnant. He had woken up for a while, but after regaining consciousness, he found himself blind. Terrified, he fainted again quickly. It is likely that this was caused by the blockage of blood vessels.”。