柯林斯詞典impromptu /?m?pr?mptju?/ 1. ADJ An impromptu action is one that you do without planning or organizing it in advance. 無(wú)事先準(zhǔn)備的 This afternoon the Palestinians held an impromptu press conference. 今天下午巴勒斯坦人召開了一場(chǎng)臨時(shí)記者招待會(huì)。 返回 impromptu劍橋詞典done or said without earlier planning or preparation 無(wú)準(zhǔn)備的，即興的 an impromptu party /performance 臨時(shí)晚會(huì)／即興表縯 返回 impromptu