spontaneous
Definition
Occurring naturally or without apparent external cause; not planned.
中文 自然发生或没有明显外部原因而发生的;未经计划的。
Example
"The crowd broke into spontaneous applause after the performance."
Occurring naturally or without apparent external cause; not planned.
中文 自然发生或没有明显外部原因而发生的;未经计划的。
"The crowd broke into spontaneous applause after the performance."