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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