他一年轻松写出五本书。

He knocks out five books a year.

《牛津词典》

这是她的第五本军事史著作。

It is her fifth book of military history.

youdao

现在我有五本英语字典和两本汉语字典。

Now I have five English dictionaries and two Chinese dictionaries.

youdao

Now, let me take a sidebar for about five minutes to talk about course administration, the administrivia things that we're going to do in the course, just so you know what the rules are.

现在，让我用大约五分钟的边角料时间,来说说本门课的基本信息,也就是我们需要在课上做的事儿，好让你们了解一下规则。

麻省理工公开课 - 计算机科学及编程导论课程节选