improvisation|improvisations

爵士乐手常常在演出中加入即兴演奏的部分。

The jazz musician often includes ___improvisation in his performances.

演员们在舞台上通过即兴发挥，表演了一段令人捧腹的喜剧场景。

The actors performed a hilarious comedy scene through spontaneous ___improvisation on stage.

乐队在演出中加入了几段即兴演奏，观众非常喜欢。

The band included several ___improvisations in their performance, which the audience loved.