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sentinel 音标拼音: [s'ɛntənəl] n. 哨兵
vt. 警戒,守卫 哨兵警戒,守卫 sentinel标记; 始终标记 sentinel哨符 sentinel n 1: a person employed to keep watch for some anticipated event [ synonym: { lookout}, { lookout man}, { sentinel}, { sentry}, { watch}, { spotter}, { scout}, { picket}] Sentinel \ Sen" ti* nel\, v. t. [ imp. & p. p. { Sentineled} or { Sentinelled}; p. pr. & vb. n. { Sentineling} or { Sentinelling}.] 1. To watch over like a sentinel. " To sentinel enchanted land." [ R.] -- Sir W. Scott. [ 1913 Webster] 2. To furnish with a sentinel; to place under the guard of a sentinel or sentinels. [ 1913 Webster]
Sentinel \ Sen" ti* nel\, n. [ F. sentinelle ( cf. It. sentinella); probably originally, a litle path, the sentinel' s beat,, and a dim. of a word meaning, path; cf. F. sente path. L. semita; and OF. sentine, sentele, senteret, diminutive words. Cf. { Sentry}.] 1. One who watches or guards; specifically ( Mil.), a soldier set to guard an army, camp, or other place, from surprise, to observe the approach of danger, and give notice of it; a sentry. [ 1913 Webster] The sentinels who paced the ramparts. -- Macaulay. [ 1913 Webster] 2. Watch; guard. [ Obs.] " That princes do keep due sentinel." -- Bacon. [ 1913 Webster] 3. ( Zool.) A marine crab ({ Podophthalmus vigil}) native of the Indian Ocean, remarkable for the great length of its eyestalks; -- called also { sentinel crab}. [ 1913 Webster]
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