cervical dilator

例句：

1. 1. The doctor used a cervical dilator to dilate the woman's cervix during her delivery.
   医生在分娩时使用宫颈扩张器来扩张女人的宫颈。
2. 2.During labor, it is important to use a cervical dilator to prevent tears in the cervix.
   在分娩过程中，使用宫颈扩张器以防止宫颈撕裂非常重要。
3. 3. The cervical dilator was inserted into the woman's vagina and slowly advanced to dilate the cervix.
   宫颈扩张器被插入女人的阴道，并逐渐推进以扩张宫颈。