n.保存；维护；防腐
The paintings were in an excellent state of preservation. 这些画保存的非常好。
Capital preservation is just as important as capital appreciation. 资本保存同资本增值一样要紧。
The aim of the policy is the preservation of peace. 这一政策旨在维护和平。
The experiment researched the method of extracting nutural preservation material from chilli. 本文实验研究了辣椒中天然防腐物质的提取方法。
n.(对野生动物、自然区、古迹和传统事物等的)保护主义者
