单词：impromptus
(impromptu 的复数) n. 即席演出, 即兴曲
a. 即席的
adv. 即席
a. 即席的
adv. 即席
plural of impromptu
n. an extemporaneous speech or remark
n. a short musical passage that seems to have been made spontaneously without advance preparation
n. an extemporaneous speech or remark
n. a short musical passage that seems to have been made spontaneously without advance preparation