overactive
adj. 过于活跃的;活跃得不正常的
例句
Conversely, if it's overactive, your metabolic rate speeds up.
相反的,如果它功能亢进,你的代谢率就会增快。
Mostly, Arcturus would dismiss the dreams as whims of an overactive imagination.
大多数时候,他只是把它当成想象力过于活跃的怪念头而驱散。
Also, because one parathyroid was overactive, the other three had become dormant.
而且,由于其中一个甲状旁腺亢进的缘故,其余三个都处于休眠状态。