effacement of cervix

例句：

1. 1. The doctor performed a cervical effacement to treat the patient's condition.
   医生进行了宫颈擦除治疗患者的病情。
2. 2.During childbirth, cervical effacement is a common procedure to prevent complications.
   分娩期间，宫颈擦除是一种常见的预防并发症的程序。
3. 3. The cervical effacement was crucial in preventing infection during the surgery.
   宫颈擦除在手术中防止感染至关重要。