地质系的英文：
Department of Geology

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

geology是什么意思：
n. 地质学；地质情况

It is a problem that relates to geology.
那是一个与地质学有关的问题。

Petroleum geology is the application of geology (the study of rocks) to the exploration for and production of oil and gas.
石油地质学是地质学(岩石研究)在油气勘探开发和生产中的应用。

His knowledge is just in the hemisphere of geology.
他的知识仅限于地质学领域。

He is an expert on the geology of southeast Asia.
他是一名研究东南亚地质状况的专家。

Geology is concerned with systematic study of rocks and minerals .
地质学系统地研究岩石和矿物。