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, it's so good to see you!
噢 看到你真是太好了。
I wouldn't worry about it, if I were you.
我是你的话，我不会担心的。
I go to school by bike every day.
我每天骑自行车上学。