adj.即兴的；不用讲稿的；临时的；权宜的 副词:extemporaneously名词:extempora

中文解释

\"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\"