昆虫学系的英文：
Department of Entomology

department是什么意思：
n. 部，司，局，科，部门；（大学的）系

A government department or a subdivision of a department.
局司处等行政单位政府部门或其下属机构

He's the departed department leader.
他是过去的部门领导。

The bulk of the work rolls from department to department.
大量的工作从一个部门转移到另一个部门。

The accounting department is independent of all the other departments.
会计部门是独立于其它所有部门的。

depart out of this world
逝世|去世

entomology是什么意思：
n. 昆虫学

He decided to specialize in entomology after graduation.
他决定毕业后专攻昆虫学。