introduce后面加什么动介词

introduce后面加介词in ,on ,表示“对…的介绍、引见、前言、序言、体验;

introduce

v. 把…介绍(给);引见;(自我)介绍;主持(节目);介绍(讲演者或演员);使初次了解;使尝试

It gives me great pleasure to introduce our guest speaker.

我很荣幸来介绍我们的.特约演讲人。

The new law was introduced in 1991.

这项新法律是于1991年开始实施的。

The system was introduced on a trial basis for one month.

这个制度已引进试行一个月。

There are bound to be changes when the new system is introduced.

引进新系统后一定会发生变化。

It was announced that new speed restrictions would be introduced.

据宣布，将有新的限速规定出台。