2 sentences for 切口 (qiē​kǒu)

1. 手术后的切口正在慢慢愈合。

   shǒu​shù hòu de qiē​kǒu zhèng​zài màn​màn yù​hé.

   The surgical incision is healing slowly.

   Source: Dong Chinese Dictionary

2. 这种装订方式能让书的切口非常平整。

   zhè zhǒng zhuāng​dìng fāng​shì néng ràng shū de qiē​kǒu fēi​cháng píng​zhěng.

   This binding method ensures the edges of the book are very smooth.

   Source: Dong Chinese Dictionary