/ˌhaɪpərˈæktɪv/ adj.1.(clinically)+ child, behaviour过分活跃的；多动的；+ thyroid gland, reflexes活动过强的；机能亢进的
His research was used in planning treatments for hyperactive children.他的研究被用来为多动的儿童设计治疗方案。
people who are underweight because they have hyperactive thyroid glands因为甲状腺亢进而未达标准体重的人
2.<非正式>(lively)+ imagination, person过于活跃的；过度热情的；充满活力的
Dilys had always had a hyperactive imagination.迪莉斯总是想象力过于活跃。
a hyperactive TV presenter一个活力十足的电视节目主持人