conservation

conservation
noun
[mass noun]
  1. the action of conserving something, in particular
    保护；保存；保持，尤指
    ■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
    ■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
    ■prevention of excessive or wasteful use of a resource
    节约（资源），防止浪费
    ■(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
conservational
adjective
语源
  1. late Middle English(in the general sense 'conserving, preservation'): from Latin conservatio(n-), from the verb conservare (see conserve)
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