sector
n
1 part of a circle lying between two straight lines drawn from the centre to the circumference 扇形. => illus at circle 见 circle 插图.
2 part or branch of a particular area of activity, esp of a country's economy (活动领域的)部门; (尤指)经济领域
the manu`facturing sector, ie all the manufacturing industries of a country 制造业
the `service sector, eg hotels, restaurants, etc 服务性行业.
3 any of the parts of a battle area, or of an area under military control 战区; 防区
an enemy attack in the southern sector 敌军对南部战区的进攻.
We are trying to collect money for a wildlife project.
我们正在设法募集资金搞一个野生动物项目。
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.