我们要在句子的开头用大写字母。

We need to start a sentence with a capital letter.

youdao

不要全用大写字母，这样不礼貌。

Don't use all big letters because it's impolite.

youdao

abc用大写字母来表示关键字。

ABC used uppercase for keywords.

youdao

This isn't big Oh as in oh my God I'm shocked the markets are collapsing, This is called big Oh omicron because we use the Greek letter, capital letter, omicron to represent it.

我的天那，我的买卖砸了“,而是因为,我们用了希腊字母,大写的，来代表这种方法。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you invented it, we'd call it whatever your name is, but this is the guy who invented it, so it's called a Newton, usually denoted by a capital N.

如果是你发明的,我们就用你的名字当单位,但这个单位是他发明的,所以叫它牛顿,一般用大写字母 N 表示

耶鲁公开课 - 基础物理课程节选