improvisational

The jazz musicians showcased their skills in a long improvisational solo.

(Chinese) 爵士乐手们在一段漫长的即兴独奏中展示了他们的技巧。

Improvisational comedy requires the actors to think quickly and react to the audience.

(Chinese) 即兴喜剧要求演员思维敏捷并对观众做出反应。