Nelaton's sphincter
[医] 内拉通氏括约骨(直肠内的肌束,在平前列腺处)
🧩 词语组成解析
n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
The Senator acceded to his defeat before the end of the election.
那位参议员在选举结束以前就承认落选了。
Yes?
什么事？