库区的英文：
reservoir area ;reservoir region
n. 水库；蓄水池；储藏
A wick connects it to a reservoir.
一灯芯绳把它与水槽相连。
Big lazy to find a bear reservoirs, buy fish fry into the reservoirs.
大懒熊找了个水塘，买回鱼苗放进水塘。
Enterprise must have a reservoir of cheap labor.
企业应储备廉价的劳动力。
n. 面积；地区；区域；场地；领域，范围，方面
This is a drainage area.
这里是排水区。
The areas of greater rainfall conform roughly with these forested areas.
降雨量较大地区大致与这些森林地区相符合。
The?penalty area?is the rectangular area in front of the goal.
禁区就是指球门前的矩形区域。
n.地区，行政区，领域，范围
regional exchange
美国在纽约以外地区的证券交易所
He is an authority in the region of chemistry.
他是化学界的权威。
This region is remarkable for its scenery.
这个地区享有风景独特的盛名。