Members of the House of Representatives,saying there is not a second to wait, have sent a letter to President Barack Obama, urging him to impose strict sanctions on Iran.

VOA: standard.2010.04.14

I was able to do letter writing, I was able to do data collection, and do a product there.

我以前上书信写作的课，要上数据搜集的课，还要上美工课。

麻省理工公开课 - 媒体、教育、市场课程节选

And if you're our zero just continue standing there awkwardly, Alright. So with that said, we have a three-letter word so we'll have three rounds of hands going up or down.

如果你代表0，就站在那里别动，好，那么，我们有三个字母的单词,因此我们分三次分别表达这三个字母。

哈佛公开课 - 计算机科学课程节选

He's saying that there's another letter sent by Paul to the Laodicean church.

他说保罗把另一封信,送到了老底嘉教会。

耶鲁公开课 - 新约课程节选

.. In 1799, it would cost so much to mail a letter-- I don't know exactly, something like $10 or $20 to mail a letter at today's rate-- and it would take a long time get there.

在1799年，寄封信需要花费-,我也不清楚具体的数字,大概相当于现在的10到20块钱-,而且还要花很久才能送达。

耶鲁公开课 - 金融市场课程节选

We should call it E-flat and put it up on the E line because there's kind of rule here that you have to use up each letter name in turn, each letter name in turn.

我们应该称之为降E,把它放在E的谱线上,因为这算是一个规则,要依次使用每个字母,依次用每个字母

耶鲁公开课 - 聆听音乐课程节选

> So is there a slash letter command for printf they could just like type you know what I mean?

>，所以这里有一个斜杠字母命令,来printf，他们可以像,【听不见的】你懂我的意思吗？

哈佛公开课 - 计算机科学课程节选

Seventy-nine is, of course, the letter O so we're almost there.

当然，79代表字符。

哈佛公开课 - 计算机科学课程节选