impromptu

impromptu
[ɪmˈprɒm(p)tjuː]
adjective& adverb
  1. done without being planned, organized, or rehearsed
    临时的(地),即兴的(地),即席的(地)
    [as adj.]an impromptu press conference.
    临时举行的记者招待会。
    [as adv.]he spoke impromptu.
    他即兴作了发言。
(pl. impromptus)
  1. a short piece of instrumental music, especially a solo, that is reminiscent of an improvisation
    即兴曲(尤指独奏)
语源
  1. mid 17th cent. (as an adverb): from French, from Latin in promptu 'in readiness', from promptus (see prompt)
英语宝典
考试词汇表