This island was once French territory.这个岛一度是法国的领地。
As the company's northern sales manager I'm responsible for quite a large territory.作为公司的北方销售经理,我负责相当大的一片地区。
This area is a salesman's territory.这一地区是推销员的推销区域。
Mechanics is out of my territory.我不懂力学。
补充资料
[同义词] area, district, land, state
[词源]<拉丁语territiorium(领土,版图)