Excuse me, I received a letter that I am supposed to return a book that I checked out back in September, it's called Modern Social Problems.

打扰一下，我收到一封信说我该还一本书，它是我九月份借出的，书名是《现代社会问题》。

youdao

Well, I received a letter in my mailbox saying that I'm supposed to return a book that I checked out back in January, it's called "Modern Social Problems".

嗯，我在邮箱里收到一封信，说我应该归还我一月份借的一本书，书名是《现代社会问题》。

youdao

In his resignation letter, Morgan called the reorganization "unworkable".

摩根在辞职信中称，重组是“行不通”的。

youdao

Isabella said in the letter that she would fill the house with art and beautiful old furniture called antiques so that other people could enjoy them.

VOA: special.2009.01.11

And the technique is called, watch because this is a six-letter initialization, linear combination of atomic orbitals LCAO-MO into molecular orbital, LCAO-MO.

这项技术是，一个6字母初始设定，原子轨道的线性叠加,成分子轨道。

麻省理工公开课 - 固态化学导论课程节选

So, if we look at what the other sub shells are called, essentially we're just converting the number to a letter.

我们来看看,另外的子壳层叫什么，本质上，我们就是把数字转换为，一个字母。

麻省理工公开课 - 化学原理课程节选

Virginia Woolf called letter-writing "the humane art, which owes its origins to the love of friends", and devoted a good deal of emotional energy to using it to maintain her friendships.

BBC: A Point of View: Mourning the loss of the written word

They don't even have what's called a letter contract, which normally sets forth major parts of the agreement.

NPR: Katrina Recovery Contract Oversight Questioned

Denying she had prior knowledge, the congresswoman called the letter an "honest" mistake by her office, but Democrats criticized her aggressively on the issue.

CNN: GOP determined to hold onto House