1.
To improvise and deliver extemporaneously.
即兴演讲，即兴发言
2.
The Best impromptu speeches are the ones written well in advance
最佳的即兴演讲是事先写好了稿子的演讲
3.
A Genre Analysis of Impromptu Speeches in English Speaking Competitions
对英语演讲比赛中即兴演讲的体裁分析
4.
Teaching lmpromptu Speeches to Improve English Linguistic Pragmatic Competence;
有效训练即兴演讲 提高英语应用能力
5.
Interpersonal Meaning in Chinese University Students' Impromptu Speeches
中国大学生即兴演讲的人际意义研究
6.
The best impromptu speeches are the ones written well in advance(Ruth Gordon)
最佳的即兴演讲是事先写好了稿子的演讲(露丝 戈登)
7.
Theme and Thematic Progression Patterns in Chinese EFL Learners' Impromptu Speeches
中国大学生英语即兴演讲中的主位和主位推进模式研究
8.
Mar, 1997 To make the competition more challenging, the organizing committee adds a new section - the impromptu speech to the overall format.
1997年3月为使比赛更具挑战性，第二届比赛程序中加入即兴演讲部分。
9.
I forget to bring the words of my speech, so I just had to improvise.
我忘了要带演讲稿，所以只得即兴创作。
10.
The speech was full of ad-libs and witty asides.
讲演中满是即兴之词和诙谐离题之语。
11.
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
12.
When the invited speaker did not arrive, the chairman rose to the occasion and delivered an excellent unprepared speech.
当被邀请的演讲者没来时，主席随机应变，作了一场精彩的即兴发言。
13.
Words, music, or actions uttered, performed, or carried out in an extemporaneous manner.
即兴表演即兴说出的台词，即兴表演的音乐或即兴完成的动作
14.
an accomplished extemporaneous speaker.
一位高明的即席演讲者
15.
I'm not good at speaking off the cuff.
我不擅长即席演讲。
16.
At the end of his speech, the speaker set the crowd alight.
演讲者在演讲结束时使人群兴奋起来。
17.
Skilled at or given to unrehearsed speech or performance
擅长于或倾向于即兴演说或即兴表演的.
18.
On the Improvisational Behavior in Instrumental Music Performance
器乐表演中的即兴行为探究——谈“即兴演奏”