sentinel
UK/ˈsentɪnəl/US/ˈsentɪnəl/
释义
n.
哨兵;看守
vt.
守卫;警戒
词源
概述
该词经由法语 sentinelle 进入英语,其根源可追溯至拉丁语动词 sentire(感知)。最初指“保持警觉的看守者”,完美融合了“感知”(sent)的核心含义与表示“职业或工具”的后缀(inel)。词义逻辑清晰:哨兵的本质正是用感官(听觉、视觉)持续感知危险信号的人,由此衍生出“守卫者”的现代含义。
例句
“The sentinel stood watch at the gate throughout the night.”
哨兵整夜在门口站岗守卫。
“Ancient towers were built as sentinels against coastal invaders.”
古塔被建成抵御沿海入侵者的哨所。
“This algorithm acts as a sentinel against data corruption.”
该算法充当防止数据损坏的守护程序。