A severe disorder of childhood characterized by withdrawal, preoccupation with fantasy, language impairment, and abnormal behavior, such as ritualistic acts and excessive object attachment.
一种发生于婴幼儿时期的严重心理紊乱，表现为内向、沉溺于奇怪的念头之中，语言能力较差，举动行为异常，如动作仪式化和过分喜爱某种物体。
A severe disorder of childhood characterized by withdrawal, preoccupation with fantasy, language impairment, and abnormal behavior, such as ritualistic acts and excessive object attachment.
一种发生于婴幼儿时期的严重心理紊乱，表现为内向、沉溺于奇怪的念头之中，语言能力较差，举动行为异常，如动作仪式化和过分喜爱某种物体。
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