extemporary
- adj.临时的；即席的；无准备的
extemporaryadj
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- with little or no preparation or forethought
- his ad-lib comments showed poor judgment
- an extemporaneous piano recital
- an extemporary lecture
- an extempore skit
- an impromptu speech
- offhand excuses
- trying to sound offhanded and reassuring
- an off-the-cuff toast
- a few unrehearsed comments
- Synonym: ad-lib extemporaneous extempore impromptu offhand offhanded off-the-cuff unrehearsed
数据来源：WordNet
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Conclusion : The extemporary heart pacing can effectively help the patients with the slow type of arrhythmia and the blood dynamic impediment to pass the perioperative period .
结论：临时心脏起搏，能有效协助有重症缓慢心律失常合并血液动力学障碍患者度过围手术期。
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It was found that most teachers and students had realized the importance of the extemporary accompaniment , and more reformation in this area had been carried out .
发现教育工作者和学生们对即兴伴奏的重视程度已大大加强，具体的改革工作也在逐渐落实、规范。