2 sentences for 替补 (tì​bǔ)

1. 他在球队中一直担任替补角色。

   tā zài qiú​duì zhōng yī​zhí dān​rèn tì​bǔ jué​sè.

   He has always played a substitute role on the team.

   Source: Dong Chinese Dictionary

2. 教练决定让他替补受伤的前锋。

   jiào​liàn jué​dìng ràng tā tì​bǔ shòu​shāng de qián​fēng.

   The coach decided to have him sub for the injured forward.

   Source: Dong Chinese Dictionary