2 sentences

1. 护士用纱布包扎了伤口。

   hù​shi yòng shā​bù bāo​zā le shāng​kǒu.

   The nurse dressed the wound with gauze.

   Source: Dong Chinese Dictionary

2. 先把药膏膏在干净的纱布上，再贴在患处。

   xiān bǎ yào​gāo gào zài gān​jìng de shā​bù shàng, zài tiē zài huàn​chù.

   First, spread the ointment on clean gauze, then apply it to the affected area.

   Source: Dong Chinese Dictionary