Homestake operated as a gold mine for one hundred twenty-five years before closing about nine years ago.

VOA: special.2009.07.21

You had a semiotic system, whereas before, yesterday, or a minute ago you had no language at all.

一个符号系统诞生了，然而之前，昨天，或者就是一分钟前，根本就没有语言。

耶鲁公开课 - 文学理论导论课程节选

And I was here before actually, like six years ago or something,

其实我以前来过，大概六年前吧，

一见钟情的学校 - SpeakingMax英语口语达人

He says before the rains failed more than two years ago, he had 400 goats and 20 camels.

VOA: standard.2009.10.06

As before, as in the Downs or Hoteling model, we discussed already a few weeks ago, we're going to assume that voters are evenly spread along the line.

像之前一样,就像当斯或霍特林模型,我们几周前讨论的,我们将假设选民,平均分布在这条线上

耶鲁公开课 - 博弈论课程节选

Shortly before his arrest just more than three years ago, Hussain,along with the others recorded so-called martyrdom videos.

VOA: standard.2009.09.07

In fact, I dug up this from a few years ago it was actually pretty fortuitous like the day before one of CS50s lectures the original iPhone was cracked.

实际上，我在几年前,发现了这个，这是相当意外的,就像在一个CS50演讲前一天,我的iPhone，坏掉了。

哈佛公开课 - 计算机科学课程节选

A year ago around 90 percent did. Also,more women receive care before giving birth than ever before, and more midwives are present at births.

VOA: standard.2009.11.10

So how many before five minutes ago had heard the name Goudsmit?

有多少人在五分钟之前听说过Goudsmit？

麻省理工公开课 - 化学原理课程节选

He died in custody here three years ago before a verdict could be reached.

VOA: standard.2009.10.26

He was on The Bachelor before like a couple of years ago.

两年前，他在这个节目上出现过。

美国的TV真人秀 - SpeakingMax英语口语达人

Before his death in a Barcelona clinic two months ago, Omar Bongo's French bank accounts were frozen as part of an investigation into African leaders embezzling public funds.

VOA: standard.2009.08.28

"We were here before a couple of times and I made the reservation at the Red Lion Inn about a year ago because I knew it would be very difficult this weekend when I heard about the festival.

VOA: standard.2009.12.25