英语翻译：
initiative; spontaneous; unprompted; voluntary
【医】 essential; idiopathetic; idiopathic; spontaneous
相关词条：
1.unpromoted 2.idiogenetic 3.initiative 4.self-organized 5.idiopathic 6.autogenic 7.autonomous 8.idiopathetic 9.astonomous 10.autogenous 11.autonomic
例句：
- 事件剧一种即兴的、通常是自发的、尤指由观众参与的场景或演出
An improvised, often spontaneous spectacle or performance, especially one involving audience participation.
分词翻译：
自发的英语翻译：
spontaneity
【医】 aut-; auto-; idio-