柯林斯詞典extemporaneous /?k?st?mp?r?r?, -pr?r?/ (also extemporary) 1. ADJ spoken, performed, etc, without planning or preparation; impromptu; extempore 即興的 返回 extemporaneous劍橋詞典done or said without any preparation or thought 即興的；無準備的；即席的 an extemporaneous speech 即興演講 返回 extemporaneous