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
Your buildings are very large, aren't they?
你们的厂房很大，对吗？
Freaky jocks
橄榄球选手
This work itself is very easy.
这件工作本身很容易。