show-and-tell

1. N-UNCOUNT Show and tell is a school activity in which children present an object to their class and talk about it. (在课堂上让学生展示并介绍所带物品的)展示讲述活动[美国英语]

She can bring her puppy to school for show-and-tell. 她可以带着自己的小狗去学校上展示讲述活动课。