the person or place from which all information on a particular subject comes

He's renowned as the fount of all knowledge on the disease. 他以对这种疾病研究得非常透彻而知名。

I know a bit about wildflowers but I certainly don't regard myself as the fount of all wisdom on the subject.

Ask Eddie - he's the fount of all bird knowledge.

You should ask Mr Brown up the road what to do. He's a fount of all wisdom.

Hettie is the friendliest person in the office and also the fount of all gossip.