Conservation is saving and protecting the environment.
a four-nation regional meeting on elephant conservation.
一次有关大象保护的4国区域性会议。
tree-planting and other conservation projects.
植树及其他环保项目。
Conservation is saving and protecting historical objects or works of art such as paintings, sculptures, or buildings.
Then he began his most famous work, the conservation and rebinding of the Book of Kells.
接着,他就开始了他最著名的工作,即对《凯尔经》的维护和重新装订。
The conservation of a supply of something is the careful use of it so that it lasts for a long time.
projects aimed at promoting energy conservation.
旨在促进能源节约的项目。
rules concerning the conservation of fishery resources.
关于保护渔业资源的规定。