VOA慢速英语:自闭症儿童的变化

symptom – n. a change in the body or mind which indicates that a disease is present

interact – v. to act upon one another

repetitive – adj. happening again and again : repeated many times

therapeutic – adj. of or relating to the treatment of illness

typical – adj. normal for a person, thing, or group : average or usual

range – n. a sequence, series, or scale between limits

diagnosis – n. the act of identifying a disease from its signs and symptoms