overactivity
英['əuvəræk'tiviti]美['əuvəræk'tiviti]
过度活性, 过于活泼
名 词：o'veractiv'ity
- Overactivity or irritability of the vagus nerve,adversely affecting function of the blood vessels,stomach,and muscles.
迷走神经过敏迷走审经过分兴奋或过敏，对血管，胃和肌肉的功能有不利影响收藏 - A chronic disease of adults marked by enlargement of the bones of the extremities,face,and jaw that is caused by overactivity of the pituitary gland.
肢端肥大症由于脑下垂体过于活跃而在成年人中引起的一种慢性疾病，常表现为四肢骨骼、脸和下巴的增大收藏
开心词场背单词
名词解释：