impromptu

im'prɒmptju:

托福雅思GRE Collins 1

n. an extemporaneous speech or remark
n. a short musical passage that seems to have been made spontaneously without advance preparation

n. 即席演出, 即兴曲
a. 即席的
adv. 即席

Collins 星级

15,015

BNC 频率

13,281

使用频率

impromptu 由前缀 im-（表示否定）和 promptu（来自拉丁语 promptus，意为“迅速的”）构成，整体意思为“不事先准备的”，即即兴的。

例句

1. She gave an impromptu speech at the wedding.

她在婚礼上发表了一场即兴演讲。

2. We decided to have an impromptu picnic in the park.

我们决定在公园里来一场即兴野餐。

3. His impromptu performance surprised everyone at the party.

他的即兴表演让聚会上的每个人都感到惊讶。