救赎用英语是 "redemption"。这个词来自拉丁文，原意是"to buy back"或"to free from captivity or punishment"。例如：

His death was a redemption for all mankind. (他的死为全人类的救赎。)

She found redemption in helping others. (她通过帮助他人找到了救赎。)

另外，"redemption"还可以指"赎回，兑现"，例如：

I need to go to the bank to redeem my savings bond. (我需要去银行赎回我的储蓄债券。)

The store offered a redemption program for customers who returned their used products. (商店为归还产品的顾客提供了一个赎回计划。)