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单词
ADD
释义
ADD
NOUN
U
/ˌeɪ diː ˈdiː/
attention deficit disorder: a medical condition that makes someone more active than normal , makes it difficult for them to concentrate , and causes problems with their behaviour 注意缺陷障碍（指人异常兴奋、不能集中注意力，并导致行为上的一些问题）