adj.介紹的；引導(dǎo)的；開(kāi)端的

The first paragraph of the body is introductory. 正文的第一段往往具有介紹的特點(diǎn)。

This book includes a good introductory chapter on forests. 這本書(shū)有一章關(guān)于森林的很好的序篇。

I would consider this introductory text a success. 我將認(rèn)為這本導(dǎo)引性的教科書(shū)是成功的。

She made a few introductory remarks. 她講了幾句開(kāi)場(chǎng)白。