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
I haven't ruled out the possibility.
我还没有排除期可能性。
Would you wait here for a minute?
您能在这里等一下吗？
What was it like?
那次地震怎么样？