我想介绍雷切尔·埃利奥特，她是今晚的演讲者。

I'd like to ___introduce Rachel Elliott who is our speaker this evening.

让我介绍我们的特邀演讲者，史密斯博士。

Let me ___introduce our guest speaker, Dr. Smith.

主持人在音乐会开始前将介绍乐队。

The host will ___introduce the band before the concert starts.