egghead

/ˈeɡ.hed/

名词

（尤指男性）学究，书呆子
"Tom is such an egghead, always buried in books and discussing complex theories with his friends."
"汤姆这个人真是个书呆子，总是埋头于书本中，并和朋友们讨论复杂的理论。"