Sentinel pile
[醫(yī)] 前哨痔(肛裂下端的痔)
?? 詞語組成解析
sentinel
['sentinl]
n. 崗哨，哨兵;
??? 情景例句
I feel run down.
我覺得我的身體很差。
Would you like me to take you around introduce you?
現(xiàn)在讓我替你向大家作介紹好嗎？
I expect to be there this evening.
我打算今天晚上到那兒去。