The precocious development of literature in an otherwise undeveloped culture. 文学在一种其他方面均不发达的文化中的超前发展。
Background In recent years, the incidence of precocious puberty increased, precocious puberty may Damage both mental behavior and physical development of children. 研究背景近年来性早熟的发病率呈上升趋势,性早熟可使儿童产生心理行为和体格发育两方面的危害。