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
Mr. Nelson.
Nelson先生。
The higher the ape goes, the more he shows his tail.
猴子爬得越高，尾巴越加暴露。
Yes, I have.I was there in April.
是的，我去过。4月份我在那儿。