A distinct part or division of something extensive and organized, as of a large business.

科；部门。

An executive division of the federal government headed by a cabinet officer.

[D~] 【美】联邦政府之部会。

In schools and colleges, a division devoted to a certain area of knowledge.

(大学的)科系。

In France an administrative district.

【法】行政区。

An area of interest, knowledge, or responsibility.

一门(学科、专长等)。