extemporized的例句（extemporized在句子中的用法）

• He extemporized a speech at the wedding. 他在婚礼上发表了即席讲话.
• The president extemporized a speech after the working dinner. 总裁即席发表了一篇工作餐后演说.
• He completely departed from the text and extemporized in a very energetic fashion. 他完全脱稿，慷慨激昂地进行即席演说。