spontaneousnessn.自发(自生;自然产生;自然;天然)
spontaneousadj.自发的,自然的,本能的;自然产生的
spontaneous gingival hyperplasia自发性牙龈纤维增生
spontaneously generated coherence自发辐射诱导相干
spontaneous end-plate potential自发终板电位
Spontaneous cerebellar hemorrhage自发性小脑出血
spontaneous potential compensator自然电位补偿器
spontaneous motion without a stop外动不已
spontaneous combustible substance自燃性物质
spontaneous bacterial peritonitis自发性细菌性腹膜炎