1. Natural reserve; nature preservation zone 
   自然保护区
2. Self- preservation is the first law of nature. 
   自我保护，天经地义。
3. He believes that the few nature areas in Singapore should be kept for our children and has been campaigning for the preservation of Chek Jawa. 
   他向来大力呼吁保留仄爪哇湾，认为我们应该为后代保留所剩无几的自然生态区。
4. document conservation and preservation 
   文献保护
5. food preservation by irradiation 
   食品辐射保藏

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• 1. 自然保护
  [医]心肌保护,心肌保存 nature preservation...自然保护 nature preservation zone...{n.}自然保护区 necessity in self preservation
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