replacementre•place•ment /rɪ'pleɪsmənt/

n

1. U 取代，替代，接替

• These worn parts are badly in need of replacement. 这些损坏的部件该换了。

2. C 代替者；代替物

• We need a replacement for the officer who was shot. 我们需要一名军官以接替中弹阵亡的那名军官。