v.临时制作；当场作成；即席发言

The teacher asked the students to give an extemporaneous speech on environmental protection.
老师要求学生们即兴发表关于环境保护的演讲。
He wrote his political essay in one night, delivering an extemporised argument against the new policy.
他一夜之间写完了政治论文，提出了反对新政策的即兴论点。
The comedian's jokes were always spontaneous and extemporised, making each performance unique.
这位喜剧演员的笑话总是即兴创作，使得每次表演都独一无二。
The pianist played a piece from memory without any prior practice, demonstrating her extemporary skills.
这位钢琴家没有事先练习就凭记忆演奏了一首曲子，展示了她的即兴演奏技巧。
During the debate, the speaker was able to make extemporary comments that surprised everyone.
在辩论中，演讲者能够做出令人惊讶的即兴评论。
She gave an extemporised answer to the interviewer's question about her career goals.
她对记者关于职业目标的问题给出了即兴回答。
The politician was praised for his ability to deliver extemporised speeches during crisis situations.
这位政客在危机情况下的即兴演讲能力受到赞扬。
The journalist had to write a story on the spot, relying on her extemporary writing skills.
记者不得不当场写故事，依靠她的即兴写作技能。
The actor improvised his lines during the play, adding a new dimension to the character.
这个演员在剧中即兴创作台词，为角色增添了新的维度。
The musician often plays extemporaneously, creating unique melodies on the spot.
这位音乐家经常即兴演奏，现场创造出独特的旋律。