1.保存； 保护； 避免损失、浪费、破坏、损坏等
2.对自然环境的保护
词形变化
- 形容词 conservational
- 名称 conservationist
- the preservation and careful management of the environment and of natural resources
- (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
- an occurrence of improvement by virtue of preventing loss or injury or other change
conservation是什么意思,conservat