But California officials recently registered objects left by the first men to land on the moons surface.

VOA: special.2010.03.02

OK, so w, first of all, work is being done to the system on the left hand side here.

好的，首先,我们通过左边对系统做功。

麻省理工公开课 - 热力学与动力学课程节选

All right. So, let's pick up where we left off, first of all we're still on the hydrogen atom from Monday.

好，让我们从上次停下的地方讲起，我们还要讲周一讲的氢原子。

麻省理工公开课 - 化学原理课程节选

In nineteen forty-six, Eugene Meyer left the newspaper to become the first president of the World Bank.

VOA: special.2009.04.26

Now, who, first of all, who were the communards, who were the people that was left?

那么那些公社的社员又是些什么人呢,这些留下来的人是谁呢

耶鲁公开课 - 1871年后的法国课程节选

At first,people with the condition forget simple things, like where they left the keys to their car.

VOA: special.2011.02.08

I'm sorting the right half which means sort the left half first, alright?

我对整个右半部分排序,这意味着要先对其左半部分排序，对吗？

哈佛公开课 - 计算机科学课程节选

On the first day of November, John kissed his mother goodbye and left home with Seth.

VOA: special.2010.06.26

So let's first look at the left hand side.

所以首先让我们看看左手这边。

麻省理工公开课 - 热力学与动力学课程节选

Amsterdam-based filmmaker Lydia Zelovic left Sarajevo in 1992,shortly after the first shots were fired.

VOA: standard.2009.10.26

All right, so where we left off with the photoelectric effect was when we first introduced the effect, we were talking about it in terms of frequencies.

好，我们刚才停止光电效应这个话题,是当我们第一次用频率，来讨论这个效应的时候。

麻省理工公开课 - 化学原理课程节选

President Barack Obama, a White Sox fan, who chatted with the pitcher in the clubhouse of the All Star game last week before throwing out the first pitch, is left handed like Buehrle.

VOA: standard.2009.07.24

Well, first I have to sort the left half of these elements.

首先，需要对这些元素的左半部分进行排序。

哈佛公开课 - 计算机科学课程节选

So, you can imagine, that we'll actually probably have a lot of kinetic energy left over if we put a lot of energy in in the first place.

因此，可以想象，如果我们一开始,就注入大量的能量,那么得到的动能也应该很大。

麻省理工公开课 - 化学原理课程节选