conservancy
n. 保护；水土保持；<英>管理委员会
名词复数：conservancies
英英释义
Noun
- a commission with jurisdiction over fisheries and navigation in a port or river
- the official conservation of trees and soil and rivers etc.
例句
用作名词(n.)
- They spent months of toil on the water conservancy project.他们为这项水利工程辛辛苦苦地干了几个月。