extempore
adj. 即席的,當場的
1. with little or no preparation or forethought;
1. without prior preparation;
The song was composed extempore.
這個曲子是即席作成的.
A great poet once wrote an extempore poem here.
一位大詩人曾經在這裡留題了一首詩.
occasionalextemporaneousunprepared