fountain of knowledge
成語所屬單字fountain
fountain of knowledge — 慣用語
1. A person who knows a great deal about a subject and generously shares what they
1.慣用語
釋義
知識寶庫
A person who knows a great deal about a subject and generously shares what they know.
例句
Professor Okonkwo is a fountain of knowledge on ancient African civilizations.
My grandmother was a fountain of knowledge when it came to traditional herbal medicine.