1.
"extemporary:Spoken, done, or composed with little or no preparation or forethought."

"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."
2.
Spoken, done, or composed with little or no preparation or forethought.

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
3.
sparse motivic improvisations.

简短的即席音乐演奏
4.
an accomplished extemporaneous speaker.

一位高明的即席演讲者
5.
The song was composed extempore.

这个曲子是即席作成的。
6.
an impromptu speech, news conference, performance,etc

即席讲话、 临时召开的记者招待会、 即兴表演
7.
The president 's off - the - cuff remarks be better than his official statement

总统的即席演讲胜过他的正式演说
8.
The president's off-the-cuff remarks is better than his official statement.

总统的即席演讲胜过他的正式演说。
9.
incoming president

即将上任的总统/主席/校长/会长
10.
outgoing president

即将离任的总统/主席/校长/会长
11.
an impromptu jazz concert.

一种即席表演的爵士音乐会。
12.
Fielded tough questions from the press.

即席回答新闻界所提出的尖锐问题
13.
The ten-year-old girl struck off a poem for the occasion.

那个10岁的小女孩即席作诗应景。
14.
Her confession was simply tantamount to a casual explanation.

她的自白简直等于一篇即席说明。
15.
The famous poet was often asked to compose a poem ex tempore.

这位著名的诗人常被邀请即席赋诗。
16.
A Cultural Contrastive Study of the Chinese and American Impromptu Sports Commentaries;

中美体育赛事即席评论的跨文化研究
17.
unseen translation

即席翻译(=[英]sighttranslation)
18.
The performer's ingenious improvisation was loudly applauded.

演员的聪明的即席创作受到热烈的欢迎。