他即席创作了一首足球队胜利之歌.He improvised a song about the football team's victory.她的自白简直等于一篇即席说明.Her confession was simply tantamount to a casual explanation.她即席做了这些评价.She had made these remarks offhandedly....
即席的, 无准备的:毫无准备地说 、 表演 、 做或作曲的;临场的.Spoken, performed, done, or composed with little or no preparation ; extemporaneous.即席的,即兴的:未经或很少准备或构思而讲的 、 做的或谱写的.Spoken, done, or composed with little or no preparation or forethought....