C179 Lil'dino and the Residents of the Southern Barbarian Kingdom
"This is not a petrified bone, but a fossil"
After Xiao Long followed Medea to the place where the "petrified bone" was located, Xiao Long recognized the so-called "petrified bone."
"What is a fossil?" Medea did not know what a fossil was, so she asked curiously.
"A fossil is the remains of a creature that lived a long, long time ago. After being buried by the soil at that time