n.即兴创作,即兴演说;即兴作品;急就章;
例句:
This means to solve a complex problem , often improvisation.
爵士乐的另外一个重要因素就是即兴创作.
Their demobilisation has been full of improvisation and imperfections.
准军事组织的解散完全是即兴的,有缺陷的.
He's a cunning weapon of creativity , whit, and improvisation.
他是一个集创造力,智慧, 即兴创作于一体的一个灵活的武器.