adj.过度活化的；过于活泼的；活跃得不正常的

She has an overactive thyroid gland, which leads to increased metabolism.
她的甲状腺过于活跃，导致新陈代谢加速。
His overactive imagination often gets him into trouble.
他过于活跃的想象力经常使他陷入困境。
The child's overactive behavior could be a sign of ADHD.
这个孩子的过度活跃行为可能是ADHD的症状。
Her immune system is overactive, causing her body to attack healthy cells.
她的免疫系统过于活跃，导致她的身体攻击健康细胞（自身免疫疾病）。
The puppy had an overactive tail-wagging response whenever he saw someone new.
小狗每次看到陌生人时都会过度活跃地摇尾巴。
He was diagnosed with an overactive bladder after experiencing frequent urination.
经历了频繁排尿后，他被诊断为膀胱过度活动症。
The baby's overactive digestive system made it difficult for him to sleep through the night.
婴儿过度活跃的消化系统使他难以整晚安睡。
My friend's overactive sweat glands make her feel self-conscious in social situations.
我朋友的汗腺过于活跃，这让她在社交场合中感到很不自在。
The athlete's overactive muscles led to frequent cramps during training sessions.
这位运动员肌肉过于活跃，在训练期间经常抽筋。
Due to her overactive mind, she found it hard to switch off and relax before bed.
由于思维过于活跃，她在睡前很难放松心情，进入休息状态。