2 sentences for 多餘 (duō​yú — surplus)

1. 我们有多余的牙刷。

   wǒ​men yǒu duō​yú de yá​shuā.

   We have extra toothbrushes.

   Source: Tatoeba

2. 拧干所有多余水分，然后穿袜子。

   níng gān suǒ​yǒu duō​yú shuǐ​fèn, rán​hòu chuān wà​zi.

   Wring out all the excess water and put the socks on.

   Source: CCMatrix