词根是ment
replacement
英 [ rɪˈpleɪsmənt ]
美 [ rɪˈpleɪsmənt ]
代替,更换常用释义
释义
n.
代替,更换取代(或代替)的人(或物)补充兵员
变形
复数replacements  
例句
1、 We need to find a replacement for Sue.
我们需要找一个替代休的人。
2、 She will continue in her present job until a replacement can be found.
在找到替换人员以前,她将继续做她目前的工作。
3、 His death was totally unexpected and, in consequence, no plans had been made for his replacement.
他的死纯粹出乎意料,因此还没有为他的替代人定出计划。