hyperactivity
US /ˌhaɪ.pɚ.ækˈtɪv.ə.t̬i/
UK /ˌhaɪ.pɚ.ækˈtɪv.ə.t̬i/

1.
多動症, 活動過度
the condition of being abnormally active
:
•
The child was diagnosed with hyperactivity.
這個孩子被診斷出患有多動症。
•
His constant fidgeting is a sign of his hyperactivity.
他不停地坐立不安是多動症的跡象。