adv. 无准备地，临时作成的
She does this without a script, speaking extemporaneously about what she's seeing.
这样做的时候，她不用脚本，而是临时说出她正在看的内容。
When Nicole was little, we would pray the Lord’s Prayer together line by line, stopping at each point to pray extemporaneously.
当妮还很小的时候，我们总是一行一行的祈祷主祈文，在每一个点上即兴祈祷。
As far as Mr Khrushchev�s comments just now, they are in the tradition we learned to expect from him of speaking extemporaneously and frankly whenever he has an opportunity.
正如赫鲁晓夫刚才评论的那样，我们预料到他会像他惯常的那样，不论什么场合都会即兴演讲，并且说得非常直白。
How to study grasps extemporaneously accompanies, the author thought the thought extemporaneously is accompanying has the count for much status.
音乐教育中情感教育【摘要】如何学习掌握即兴伴奏，笔者认为思维在即兴伴奏中有非常重要的地位。
Electric piano extemporaneously performance, in modern music education teaching, but also is in a development a.
电子琴的即兴演奏，在现代音乐教育教学中，还处于一个发展和不完善的阶段。
Extemporaneously connecting ideas.
将想法即兴连接。
The laborious work and the meager wages made them feel painful, and then they extemporaneously sang some songs to express their own misfortune.
辛劳的工作和微薄的工资，使他们感到痛苦的，然后他们即席唱了一些歌曲，以表达自己的不幸。
There are four basic methods of delivering a speech:reading verbatim from a manuscript, reciting a memorized text, speaking with PowerPoint, and speaking extemporaneously, or impromptu.
有四种基本演讲方式：照本宣科，记忆背诵，利用幻灯片，还有即席演讲，也就是事先未作准备的发言。
It stresses the composite music education, the carriage rhythm, music game, sings, the musical instrument performance, creating extemporaneously and the performance, the fine arts and so on.
本园的音乐课程强调音乐教育的综合性，把语言、体态律动、音乐游戏、歌唱、乐器演奏、即兴创作与表演、美术等进行有机结合。
In fact, foreign volunteers would like to deliver extemporaneously though they got prepared. And local teachers thought foreigners acted as trainer just for fun.
事实也是如此，外国志愿者尽管备过课，她们更愿意临时发挥，这让受培训的当地教师感觉外国志愿者抱着一种玩的态度。
The eclectic subject matter and stylistic execution has been developed extemporaneously by each artist as they work on-site in shifts according to their own sporadic schedules.
七名艺术家根据各自的日程安排轮流到空间进行现场创作，不限主题，不限风格，一切都是即兴发挥。
When speaking extemporaneously, you will have only a brief set of notes or a speaking outline.
即席演讲时，仅靠简短的笔记或发言提纲。
"extemporaneously"是副词，词根源于拉丁语"ex tempore"，字面含义为"出于当下"，指未经预先准备或即兴完成的行为。该词在专业领域中有三个核心应用方向：
公共演讲领域
指演讲者不依赖讲稿，根据现场情况临时组织语言的表现形式。美国国家演讲协会（National Speech Association）将其定义为"通过提纲或关键词提示，实时构建逻辑连贯的演讲内容"（来源：speechassociation.org/speech-glossary）。
表演艺术领域
在戏剧和音乐场景中，特指演员或乐手脱离剧本/乐谱进行的创造性发挥。伯克利音乐学院表演研究指出，这种即兴创作需建立在扎实的专业训练基础上（来源：berklee.edu/improvisation-techniques）。
学术写作规范
芝加哥格式手册（Chicago Manual of Style）特别说明，学术场景使用该词时多指"基于已知材料的临时性口头阐述"，区别于完全即兴的临场发挥（来源：chicagomanualofstyle.org/oral-presentation）。
词义演变方面，牛津英语词典（OED）历史语料库显示，19世纪后该词逐渐从单纯的"临时性"含义，发展为包含"基于专业储备的创造性输出"这层专业语义（来源：oed.com/historical-lexicography）。
单词extemporaneously 是副词，主要含义为“即兴地、无准备地”，强调在未经提前计划或排练的情况下完成某事，尤其在演讲、表演等场景中使用。以下是详细解析：
He spoke extemporaneously at the conference.（他在会议上即兴发言。）
The comedian performed extemporaneously, reacting to the au***nce's laughter.
如需更全面的例句或词源演变细节，可参考词典来源（如海词词典、有道词典）。
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