extemporize
/ɪkˈstempəraɪz/(亦作-ise)
verb
no obj.
- compose, perform, or produce something such as music or a speech without preparation; improvise即席创作; 即席作曲写; 即席演奏; 当场作成：
he extemporized at the piano
他即席演奏了钢琴
with obj. she was extemporizing touching melodies.她在即席演唱动人的歌曲。
派生词