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
Technology could revolutionize our way of life.
科学技术会给我们的生活方式带来革命。
It doesn't seem like that.
似乎不象是那样。
Seeing a cake flying through the air, a lorry driver who was drawing up alongside the car, pulled up all of a sudden.
此时，一辆卡车正好从后边开到那辆汽车边上，司机看见一块蛋糕从天而降，紧急刹车。