Ject对"improvisation" 的正确翻译：n. 即兴而作, 即席演奏, 即席创作。发音：[ˌimprəvai'zeiʃən]。例句参考：An early style of jazz characterized by free group improvisation and an accented two-beat rhythm. - 低级酒吧爵士音乐一种早期的以自由团体演唱, 重双去节奏为特点的爵士音乐；The oboist is well known for his improvisation. - 这位双簧管吹奏者以即兴演奏而著名。；