/ˈɔ:ltə(r) ||; ˈɔltɚ/verb [I,T] to make sth different in some way, but without changing it completely; to become different 改变;更动;修改:
We've altered our plan, and will now arrive at 7.00 instead of 8.00. 我们改了计划,现在将于7点钟而不是8点钟到达。The village seems to have altered very little in the last twenty years. 这个村子在过去二十年里似乎没有什么变化。