这位教授在展示历史照片时进行了详细的解说。

The professor ___narrated the historical photos as he presented them.

这部儿童绘本由作者本人亲自讲述。

The children's picture book is ___narrated by the author herself.

解说员生动地叙述了这场足球比赛的每一个精彩瞬间。

The commentator ___narrated every exciting moment of the football game with vivid details.