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。
【物理】 守恒定律。
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conservationn.保护;保存;保持;修复;节约;防止浪费;守恒定律
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observationn.观察;言论;评论;观察力;测天
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conversationn.谈话
"late Middle English (in the general sense ‘conserving, preservation’): from Latin