On June twenty-sixth, the first C-47s landed at Tempelhof Airport - the beginning of the great operation that was to come.

VOA: special.2011.08.11

Here I am going back to what I talked about right at the very beginning of the first lecture.

说回第一节课开始时,谈到的问题。

哈佛公开课 - 幸福课课程节选

I think it's either at the end of my first year of law school or at the very beginning of my second year.

我想应该是在我读法学院的第一年末或是第二年初。

哥伦比亚的氛围 - SpeakingMax英语口语达人

The expression was first used in America at the beginning of the twentieth century.

VOA: special.2009.11.15

The sum starts at the beginning of the first and ends at the end of the second.

和矢量就是从第一个矢量的起点,指向第二个矢量的终点

耶鲁公开课 - 基础物理课程节选

So let me first say a little bit about the story line, and some of the themes at the beginning of Exodus, the first six or seven chapters.

首先再让我大概介绍一下故事，以及在《出埃及记》开篇中的一些主题，开始的六七章。

耶鲁公开课 - 旧约导论课程节选