他正在看书英语怎么说

“他正在看书”用英语可以表达为：He is reading a book.

这句话的来源是英语中的动词“to read”表示“阅读”，可以用来描述一个人正在阅读书籍。

例句：

He is reading a book on the history of ancient Rome. 他正在看一本关于古罗马历史的书。
She always carries a book with her on the train so she can read during her commute. 她总是带着一本书坐火车，这样她就可以在上下班的路上阅读。
I used to read a lot when I was younger, but now I don't have as much time. 我年轻的时候经常看书，但是现在没有那么多时间了。