好词典

hyperactivity

UK //ˌhaɪ.pər.ækˈtɪv.ə.ti//US //ˌhaɪ.pɚ.ækˈtɪv.ə.t̬i//

词源

源自希腊语 'hyper-'(过度)与拉丁语 'activitas'(活动性)的组合,19世纪晚期进入英语。

noun

❶ 指异常活跃或过度活跃的状态,通常用于描述儿童因注意力缺陷多动障碍(ADHD)表现出的行为特征。

“The child's hyperactivity made it difficult for him to sit still in class.”

(这个孩子的过度活跃使他难以在课堂上安静坐着。)

“Doctors often diagnose hyperactivity in young children who can't focus.”

(医生常会诊断出无法集中注意力的幼儿有过度活跃症状。)

同义词:overactivity, restlessness, fidgetiness

常见短语

attention deficit hyperactivity disorder (ADHD) — 注意力缺陷多动障碍,表现为注意力不集中、过度活跃和冲动行为的神经发育疾病。

“Children with ADHD often struggle with hyperactivity in school settings.”

(患有多动症的儿童在学校环境中常表现出过度活跃的问题。)