conservation
/ˌkɒnsəˈveɪʃən/noun
mass noun
1- the action of conserving something, in particular保护; 保存; 保持, 尤指：
1.1
- preservation, protection, or restoration of the natural environment and of wildlife（对自然环境和野生动植物的）保持; 保护; 修复。
1.2
- preservation, repair, and prevention of deterioration of archaeological, historical, and cultural sites and artefacts（对考古、历史和文化遗址和工艺品的）保护; 修复; 保存。
1.3
- prevention of excessive or wasteful use of a resource节约（资源）, 防止浪费。
1.4
- Physics the principle by which the total value of a physical quantity or parameter (such as energy, mass, linear or angular momentum) remains constant in a system which is not subject to external influence【物理】守恒定律。
派生词
conservational
adjective词源
late Middle English （in the general sense 'conserving, preservation'）： from Latin conservatio（n-）, from the verb conservare （see CONSERVE）.