不倒翁的原理图解

简介：After a while, Xiao Xiaobai narrowed his eyes and reached out to pick up one of the thirteen Bailing Pills spread out on the bottom of the inner wall of the pill furnace. Not much bigger than a soybean, the deep purple-black color reminded Xiao Xiaobai of Anya inexplicably. It had a crystal texture like a gem, with a faint colorful halo visible on the surface, making it a good-looking item.