spontaneouslyadv.自发地;自生地;自然产生地
spontaneousadj.自发的,自然的,本能的;自然产生的
spontaneous fracture自发性骨折
spontaneous explosion自然爆炸
spontaneous discourse即时言谈, 自然言谈
spontaneous pulsation自发搏动
spontaneous annealing自热退火
spontaneous lactation乳汁自涌
spontaneous hardening自然硬化
spontaneous brainwave自发性脑电波
Spontaneous abortions习惯性流产
spontaneous remission自然康复