单词 | attention deficit disorder |
释义 | attention deficit disorderuncountable noun Attention deficit disorder is a condition where people, especially children, are unable to concentrate on anything for very long and so find it difficult to learn and often behave in inappropriate ways. The abbreviation ADD is often used. attention deficit disorder in British Englishnoun a disorder, particularly of children, characterized by excessive activity and inability to concentrate on one task for any length of time Abbreviation: ADD |
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