pol·y·math
noun/ˈpɒlimæθ/
/ˈpɑːlimæθ/
(formal, approving)- a person who knows a lot about many different subjects
博学家；博学大师 Word Originearly 17th cent.: from Greek polumathēs ‘having learned much’, from polu- ‘much’ + the stem of manthanein ‘learn’.