He completely departed from the text and extemporized in a very energetic fashion.

他完全脱了稿并以一种精力非常充沛的样子即席演说。

The President extemporized a speech after the working dinner.

总裁即席发表了一篇工作餐后演说。

When Abraham realized all, the furrows of fifty years were extemporized on his young face.

当亚伯拉罕明白了一切的时候，他年轻的脸上一下子增添了五十年的皱纹。