an occurrence of improvement by virtue of preventing loss or injury or other change
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
例句
用作名词 (n.)
If I may refer back to the problem we discussed, I think we shall stress on the conservation of our natural resource. 请允许我重提我们刚才讨论过的问题，我想我们应该强调保存我们的自然资源。
Conservation methods will also help meet their energy needs. 能量保存方法也会有利于满足其能源需求。
Most people have come to accept the need for conservation of natural resources. 现在大多数人已认识到保护自然资源的必要。
Our community is a leader in the conservation of wildlife. 我们社区在野生动物保护方面走在前头。
Who discovered the conservation of energy? 谁发现了能量守恒？
常见句型
用作名词 (n.)
The expensive fuel costs are forcing stepped-up conservation efforts by all airline companies. 高昂的燃料费用迫使着所有的航空公司加强为防止浪费所做出的努力。
He isn't interested in conservation. 他对保护环境这个问题不关心。
美
[ˌkɑːnsər'veɪʃn]
