hyperactivity 

英汉解释

n. 极度活跃；活动过度

参考例句

1. Hyperactivity and lack of self-control decrease.
多动症和自控能力缺乏减退。
2. Patients with bipolar disease exhibited hyperactivity and a wide range of exploration when in a novel environment, according to the researchers.
按照研究人员所说，双相情感障碍病人在一个新环境中会表现出高度活跃和一系列的探究行为。
3. Objective To explore the relationship between the temperament characteristic and the behavioral problems. of the children with attention deficit hyperactivity disorder (ADHD).
目的探讨注意缺陷多动障碍（ADHD）儿童的气质特征，了解ADHD儿童的气质与行为问题的关系。

英英解释

n.
  1. a condition characterized by excessive restlessness and movement

网络释义

hyperactivity
功能亢进的; 活动过度; 多动性; 多动症;
Hyperactivity disorder
过动症; 多动症;
Situational hyperactivity
及情境性多动;
hyperactivity syndrome
过动综合症;
nucleolar hyperactivity
核仁活性过敏; 核仁活性过高;