impromptu
柯林斯词典
1. ADJ An impromptu action is one that you do without planning or organizing it in advance. 无事先准备的
This afternoon the Palestinians held an impromptu press conference. 今天下午巴勒斯坦人召开了一场临时记者招待会。
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impromptu /ɪmˈprɒmptjuː/
剑桥词典
- done or said without earlier planning or preparation
无准备的，即兴的
an impromptu party /performance 临时晚会／即兴表演 返回 impromptu