/,kɒnsə'veɪʃn; ,kɑnsɚ`veʃən/
n [U]
1 prevention of loss, waste, damage, destruction, etc 保存; 保护; 避免损失、浪费、破坏、损坏等
*the conservation of forests, water resources, old buildings, etc 对森林、水源、古老建筑等的保护
* wildlife conservation 对野生动物的保护
* (physics 物) the conservation of energy, ie the principle that the total quantity of energy in the universe never varies 能量守恒.
2 preservation of the natural environment 对自然环境的保护
*She is interested in conservation. 她对保护环境这个问题十分关心.

n[U]
the protection of natural things such as animals, plants, forests etc, to prevent them being spoiled or destroyed
= preservation
→conserve
　wildlife conservation
　a local conservation group
conservation of
　conservation of the countryside
when you prevent something from being lost or wasted
→conserve
　energy conservation
conservation of
　Recycling is an important part of the conservation of resources.