在老师的介绍下我初次接触英语，自那时起我就爱上了英语。

I immediately fell in love with English when my teacher first introduced it to me.

youdao

在开始参观之前，让我给大家简单介绍一下这座了不起的建筑的设计。

Before starting the tour, let me give you a brief introduction about the design of this amazing building.

youdao

"这本书将详细地介绍有关小冰河时期和其它气候变化的研究过程，但是，在我开始之前，让我先介绍一下历史背景。

This book will provide a detailed examination of the Little Ice Age and other climatic shifts, but, before I embark on that, let me provide a historical context.

youdao

Let me begin by introducing the teaching fellows for this course; and so I have them up here.

课程伊始,先介绍下课程助教,我把他们的简历展示在这里

耶鲁公开课 - 金融市场课程节选

So Milton will continually be saying in his prose tracts, "Oh! I just had an idea. Dear reader, before I go on, perhaps I should say something about myself. I need to explain something to you about where I'm coming from. You wonder who I am to tell you this?

所以弥尔顿会在他的散文中不停地说，“哦！我有一个主意，亲爱的读者，在我继续下去之前,也许我应该介绍下自己，我需要向你们,解释一下我从哪里来，你们会想我是谁呀？

耶鲁公开课 - 弥尔顿课程节选

itself and introduce Scratch, the programming language in an environment we looked at, but also some of the fundamentals that we'll lace throughout the course.

这周五我们就开始讲计算机科学，并在我们设定的环境下,介绍编程语言Scratch的用法，而且我们也会在课程中,捎带讲一些基础知识。

哈佛公开课 - 计算机科学课程节选