劍橋詞典(of speech or music ) done or performed without having been planned exactly , making something up as it is being performed （演講、表演等）即興的 an improvisatory dance /song 即興舞蹈／歌曲 The music allows for improvisatory variation . 這首樂曲允許即興變奏。 his improvisatory collaboration with director André Gregory 他與導演安德烈·格里高利的即興合作 返回 improvisatory