How long did it take old Chopin to think that up do you suppose? Two seconds?

老肖邦花了多长时间去构思这段曲子,你觉得呢,两秒钟吗

耶鲁公开课 - 聆听音乐课程节选

it's a two-and-a-half-year-long program that mixes biology, chemistry, physics and computer science together.

这门课是一个两年半的项目，涵盖了生物学、化学、物理学，还有计算机科学。

与教授的面谈 - SpeakingMax英语口语达人

From 1983 to the present as you just said, the economy has a long period of smooth, robust expansion interrupted by two very mild recessions.

第二时期是从1983年至今，正如你所说，经济长时间处于,平稳强健的发展状态,而只出现了两次轻度衰退。

斯坦福公开课 - 经济学课程节选

You can see them in the sopranos and altos up there and they just sit there on that pitch--a long note: one, two, three, four.

你可以在高音与中音区看到他们,而且他们一直留在那个音高上,一个长音符,一,二,三,四

耶鲁公开课 - 聆听音乐课程节选

Two tenets, an equity bias for portfolios with a long time horizon and diversification.

两个原则,长期投资中的股权偏好,以及分散投资

耶鲁公开课 - 金融市场课程节选

Now this was nineteen-eighty-two, quite a long time ago, at a time when people really weren't paying much attention to calories like they are now, so you'd expect the errors to decline as time goes on and there's some evidence of that, but they're errors nonetheless.

这是1982年的实验,很早之前了,当时的人们并不像今天的人们一样,那么关注卡路里,所以你会预计误差会随时间推移而减小,有证据证明了这一点,但误差仍然存在

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If you multiply it by 2, you get a vector two times as long.

如果拿它乘以2,你就得到一个两倍长的矢量

耶鲁公开课 - 基础物理课程节选

It's not long now. Then it's going to happen. Two more months.

离现在不远了。很快就要到那个时候了。再过两个月。

英国的军人 - SpeakingMax英语口语达人

How long have you two been dating?

你们俩在一起多久了？

How long课堂 - SpeakingMax英语口语达人

It's not as though someday you're going to open up an issue of National Geographic where the cover story's going to be "At long last, explorers have discovered the number two."

你不会在某一天,打开一本国家地理时,发现上面会印着这样的封面故事,探险家们终于发现了数字2

耶鲁公开课 - 死亡课程节选

And the first crack was a movie that's so long that it used to be the janitors, the people who cleaned these-- the very nice people who cleaned these rooms used to call it a two six-pack movie because it was so long.

第一个漏洞是一部特别长的电影,以前那个楼管,打扫卫生的,给这些教师打扫卫生的优秀工作者,以前管它叫一打啤酒电影因为太长了

耶鲁公开课 - 1871年后的法国课程节选

The less than side is gonna be a less than sign, and then the word and is going to become not one & but two ampersands back to back, and we'll see why it's two and not one before long.

小于“侧还是用的“小于“,而中间的“and“将去掉,换成两个紧挨着的&符号，但至于为什么是&&而不是,我们以后会提到。

哈佛公开课 - 计算机科学课程节选

What's happened actually if we base it in the last 25 years since the early '80s We've just had two recessions and they've been very mild by historical standards and...two--now three long expansions in between.

实际上是什么情况呢,80年代初期以来，这25年当中,我们只经历过两次经济衰退,而且在历史上算是相对轻微的,其间则是两，三次长时间的经济增长。

斯坦福公开课 - 经济学课程节选

These two guys are 5 km long.

这两段都是5公里长

耶鲁公开课 - 基础物理课程节选