单词	preoperational
释义	preoperational adjective pre·​op·​er·​a·​tion·​al ˌprē-ˌä-pə-ˈrā-shnəl  -shə-nᵊl variants or pre-operational psychology : of, relating to, or being the stage of cognitive development according to Jean Piaget's theory in which thought is egocentric and intuitive and not yet logical or capable of performing mental tasks Piaget believed that during the preschool period and up to about age 6 or 7, children are in a preoperational stage—too young to perform mental operations. David G. Myers The preoperational child will invariably point to the taller, thinner glass. He believes that it contains more water because the water level is higher. Dorothy G. Singer & Tracey A. Revenson Word History First Known Use 1951, in the meaning defined above
随便看	justice general justice in eyre justice is done justice is served justice is served/done justice of the peace justice's warrant justicer justicers justices justices general justices of the peace justiceship justiceships justiceweed Justicia justiciabilities justiciability justiciable justiciar justiciaries justiciars justiciarship justiciary justicies

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