We have been bombarded with letters of complaint.

我们接二连三收到了大批的投诉信件。

《牛津词典》

In its original state, there were rotating dials and other indicators on the top, with letters and drawings showing the Sun, the phases of the moon and different constellations.

最初，它的顶部有旋转的刻度盘和其他指示物，上面的字母和图画描绘了太阳、月相和不同的星座。

youdao

Perhaps even more so than with letters, memorandum should start with the statement of the purpose early in the message.

也许备忘录比书信更重要的是，备忘录应该从信息的目的开始。

youdao

One is based on Scrabble, the board game where players try to form words from letters with different point values.

VOA: special.2011.02.10

The actual fluctuation of your voice isn't something that's taught, but what they teach you is how to pronounce the letters properly, and rules that go along with the letters.

你声音的起伏不是别人教的,但是他们教会你的是,字母的正确发音，以及这些诵读这些字母的规则。

普林斯顿公开课 - 人性课程节选

But we know already from week zero that computers ultimately represent all information with numbers, and if they want to represent letters inside memory, well what do they do or what do they use?

但是自从上周我们已经知道,计算机最终是用数字来表示所有的,信息，如果它们要描绘,在内存中的字母，它们该怎么做，用什么方式呢？

哈佛公开课 - 计算机科学课程节选

The city has been barraged with letters from Elvis fans, begging for his old home to be saved.

ECONOMIST: Urban development

Typing words with letters that aren't in squares requires using the blank space in the middle of these squares.

WSJ: From QWERTY to Quirky: New Ways to Type on Glass

But he later developed his own style, featuring built-up surfaces that were often scratched with letters, numbers and signs.

BBC: Spanish artist Antoni Tapies dies aged 88