conservation
.kɒnsә'veiʃәn
基本解释
n. 保护, 保存
[医] 保存
英文释义
n. an occurrence of improvement by virtue of preventing loss or injury or other change
n. the preservation and careful management of the environment and of natural resources
n. (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
上一个单词：conservant
下一个单词：conservation area