alteration
/ˌɔːltəˈreɪʃən/noun
mass noun
- the action or process of altering or being altered变更, 改变：
careful alteration of old buildings
对旧房的改造
count noun alterations had to be made.必须进行修改。
词源
late Middle English: from Old French， or from late Latin alteratio （n-）, from the verb alterare （see ALTER）.