hyperactive
adjective uk/ˌhaɪ.pərˈæk.tɪv/ us/ˌhaɪ.pɚˈæk.tɪv/ (informal hyper)
多动亢奋的,过分活跃的
Someone who is hyperactive has more energy than is normal, gets excited easily, and cannot stay still or think about work.
Hyperactive children often have poor concentration and require very little sleep. 多动的孩子经常注意力不够集中而且睡觉很少。