alteration

名词 alteration:

1. an event that occurs when something passes from one state or phase to another
   同义词：change, modification
2. the act of making something different (as e.g. the size of a garment)
   同义词：modification, adjustment
3. the act of revising or altering (involving reconsideration and modification)
   同义词：revision

1. The timetable is subject to alteration.
   时刻表有可能更改。
2. There is a structural alteration to the building.
   这座建筑物在这有一处结构上的改变。
3. My coat needs alteration.
   我的上衣需要改改。
4. There have been a few alterations to the timetable.
   时间表上有一些变动。