extempore

extempore
[ɪkˈstɛmp(ə)ri, ɛk-]
adjective& adverb
  1. spoken or done without preparation
    即席的(地);即兴的(地);临场的(地)
    [as adj.]extempore public speaking.
    即席演讲。
    [as adv.]he recited the poem extempore.
    他即席朗诵了那首诗。
语源
  1. mid 16th cent.: from Latin ex tempore 'on the spur of the moment' (literally 'out of the time')
英语宝典
考试词汇表