Langdon gave a tired smile.

兰登露出疲惫的微笑。

youdao

Langdon sighed heavily.

兰登深深叹了口气。

youdao

It can't be that simple, Langdon thought.

不可能这么简单，兰登想。

youdao

So begins the novel that takes Langdon hunting and hurrying around Washington,D.C., through museums,monuments and government buildings.

VOA: special.2009.10.09

The novel re-visits the character of Robert Langdon, the Harvard University professor from Brown's first two books.

VOA: special.2009.10.09

A British doctor named John Langdon Down first described it in the eighteen sixties.

VOA: special.2009.09.09

The book is the fourth novel in the writer's series which follows Harvard symbologist Robert Langdon.

BBC: Dan Brown: Inferno book covers revealed

Ohio attorney, David Langdon, founder of the Jobs and Progress Fund, didn't respond to messages yesterday.

NPR: 4 min 12 sec

That discovery leads Langdon on a code-cracking tour of some of Florence's historical hot spots.

WSJ: Dan Brown's Secret to Keeping Secrets