"It's called the Quiver Tree and the large branches are hollowed out to keep arrows in."

VOA: standard.2010.08.09

OK, and you can see that this thing ought to unwrap, it's going to keep extending out those multiplications until gets down to the base case, going to collapse them all together.

好，你可以看到这种方法,是怎么解决的,他一层层的将乘法展开一直到最底层,然后将他们一起乘起来。

麻省理工公开课 - 计算机科学及编程导论课程节选

It used to be a big, broad sheet and they made it smaller in 2005 and they started--they keep cutting out data.

曾经是很宽大的报纸,在2005年被缩小了,并且开始不断减少数据

耶鲁公开课 - 金融市场课程节选

"We are preparing stores such as rations and water so we can keep ourselves sustained and then it will just be patrolling out from the area to see if we can mix with the locals and find the insurgents."

VOA: standard.2010.08.04

And it is not about giving either time out or motivation to keep people engaged.

也不是通过腾出时间或,加强动机以使人们参与。

麻省理工公开课 - 媒体、教育、市场课程节选

So let's listen to a track here, a sax solo and I am going to try to keep-- make some sense out of this-- because it gets more and more complex-- by following the electric bass underneath so let's listen to an old tape.

那么我们听一下这段音轨,一段萨克斯独奏,我会尽量从中,理出一些头绪,因为我们的音乐片段会越来越复杂,大家可以跟着底下电贝斯的节奏,好的,我们来一下老磁带

耶鲁公开课 - 聆听音乐课程节选

They had to get that all worked out, it had to be done accurately, and they had to decide to keep a certain amount of co-insurance.

他们得鉴定所有的东西，还得认真准确，而且他们还得决定是否,要进行一定程度的共保。

耶鲁公开课 - 金融市场课程节选