动词
中文翻译：Unknown
同义词：
['compose on the spot', 'improvise', 'improvise upon', 'improvise a piece of music', 'improvise a poem']
例句：
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1. The performer extemporized a beautiful rendition of "Shall We Dance?" during the show.
在演出中，这位表演者即兴创作了一首优美的《让我们跳舞》的演绎。
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2. The composer composed a symphony for the occasion.
作曲家为这个场合创作了一部交响曲。
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3. The artist improvised a painting based on his memory of the landscape.
艺术家根据他对那片风景的记忆，即兴创作了一幅画。