replacement

更换、替换、汰换

The replacement of the old water pipes will take three weeks.

更换老旧水管大约需要三个星期。

替代品、代替物

This model is a cheap replacement for the one that broke.

这款是坏掉那台的廉价替代品。

接替者、继任者、替补

They are still looking for a replacement for the retiring manager.

他们还在找人接替即将退休的经理。

置换术、置换手术医学

She recovered quickly after her hip replacement last spring.

她去年春天做完髋关节置换手术后恢复得很快。

补充医学

The doctor recommended hormone replacement to relieve her symptoms.

医生建议以荷尔蒙补充来缓解她的症状。

替换的、备用的限定用法

I ordered a replacement battery for my old laptop.

我帮旧笔电订了一颗替换电池。