| 单词 | attention deficit hyperactivity disorder |
| 释义 | attention deficit hyperactivity disorderuncountable noun Attention deficit hyperactivity disorder is a condition where people, especially children, are extremely active and unable to concentrate on anything for very long, with the result that they find it difficult to learn and often behave in inappropriate ways. The abbreviation ADHD is often used. attention deficit hyperactivity disorder in British Englishnoun a form of attention deficit disorder in which hyperactivity is a prominent symptom Abbreviation: ADHDattention-deficit hyperactivity disorder in American English a mental disorder, assessed on the basis of behavior appropriate to a given mental age, characterized by inability to concentrate, hyperactivity, impulsiveness, etc. : also written attention deficit (hyperactivity) disorder |
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