pudendal canal

例句：

1. 1. The pudendal canal is a narrow passageway that connects the bladder to the rectum.
   骨盆管是连接膀胱和直肠的狭窄通道。
2. 2. During childbirth, the pudendal canal is dilated to allow for the delivery of the baby.
   分娩期间，骨盆管会被扩张以允许婴儿通过。
3. 3. In some cases, a blockage in the pudendal canal can cause pain and difficulty during sexual intercourse.
   在某些情况下，骨盆管的阻塞可能导致性交时疼痛和困难。