汉英对照/对于年龄在55至64岁之间比较年轻的人

对于年龄在55至64岁之间比较年轻的人，通常会进行较小的手术，称为部分膝关节置换，并且预计需要在10年内重做人造关节。

For younger people between 55 and 64 years of age, a smaller operation is usually performed, called partial knee replacement, and it is expected that the artificial joint will need to be redone within 10 years.