lip loss

例句：

1. 1. The baby's lip was severely damaged in the accident.
   婴儿在事故中嘴唇严重受损。
2. 2. Lip loss is a common complication after tooth extraction.
   拔牙后常见的并发症之一是唇部损失。
3. 3.The child had to wear a prosthetic lip for several months until it healed properly.
   孩子不得不戴假唇几个月直到它愈合正常。