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
If you quit smoking now, you'll feel better in no time.
如果你现在戒烟的话，你很快就会感觉好多了。
I often go to bad at night.
我常常在晚上睡觉。
I would like to check out.
我想结帐。