Sentinel pile
[医] 前哨痔(肛裂下端的痔)
🧩 词语组成解析
sentinel
['sentinl]
n. 岗哨，哨兵;
🗣️ 情景例句
Oh, Mother. I forgot you still had it.
噢， 妈妈。我忘了你仍然保留着它。
If the hen does not prate,she will not lay.
不叨叨的母鸡不下蛋。
Who is this young man?
这个年轻人是谁？