让我们先简单介绍一些rss格式的基础知识。

Let's take a brief look at the basics of the RSS format.

youdao

WebSphere Application Server信息中心中为不同类型的令牌提供了很好的概述，但是让我们先全面的介绍这些令牌是如何使用的。

The WebSphere Application Server Information Center has an excellent overview of the different types of tokens, but let's take a quick look at the bigger picture of how they are used.

youdao

So, let me introduce you to some of the topics we are going to be covering in chemistry this semester.

让我先给你们介绍一下,我们这个学期课程的主要话题。

麻省理工公开课 - 化学原理课程节选

Well, recall that very basic building block we introduced 1 last week which allowed you to grab a random number between 1 and 10 or 1 or a hundred.

好吧，让我们先回想一下上周介绍过的,能产生1~10之间，或者1~100之间随机数的1,基本构建块。

哈佛公开课 - 计算机科学课程节选