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preservation
1.保护，维护，保存
building preservation建筑物的保养
environmental preservation环境保护
food preservation食物的保藏
a preservation group/society环保团体/组织
2.保留，维持，保持
The central issue in the strike was the preservation of jobs.
罢工的核心问题是工作职位的保留。
3.保存的状况，保养的程度
The paintings were in an excellent state of preservation.
这些绘画保存得非常好。
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