C629 It is astonishing to speak words

Long Tianyu saw the sneer on Gongsun's face and thought that he was just making it up. He made up his mind to make a big argument and teach these ancient people a lesson, then immediately said: "The sunrise is cold, and the sun is small and hot, this is a visual illusion, unifying objects, putting them in a group larger than the sun, making them seem bigger in a group smaller than the sun