replacement

n. /rɪˈpleɪs.mənt/ B2

替代品；接替者；更换

A thing or person that takes the place of another.

仙境例句

When Bill flew out of the chimney, the Rabbit looked around for a replacement.

比尔从烟囱里飞出去以后，白兔四下张望，想找个人顶替他。