实验室里那些整天埋头研究的家伙都被我们戏称为书呆子（或：书虫）。

Those guys in the lab who are always buried in research get jokingly called ___egg-heads by us.

他是个典型的书呆子，整天只想着解数学题。

He's such an ___egg-head, always solving math problems all day long.