sentinel是什么意思,sentinel怎么背,怎么记,sentinel的词根词缀巧记速记方法,sentinel构词,构成,中文翻译_英语词典

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sentinel n 哨兵（sent感觉，警觉+in+el）

释义2： sentinel
/ 5sentEnEl /

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◙ noun
1. a soldier or guard whose job is to stand and keep watch
• 哨兵
  (figurative)something that appears to be standing guard or keeping watch
• [喻] 警戒物；看守物
  [Medicine] a thing that acts as an indicator of the presence of disease
• [医] 哨点
 »[as modifier] the first national HIV sentinel surveillance programme in the developing world.
  发展中国家首次艾滋病毒哨点监测计划。
◙ (sentinelled, sentinelling; 美 sentineled, sentineling )
1. [with obj.] station a soldier or guard by (a place) to keep watch
• 派兵守卫（某地）
 »a wide course had been roped off and sentinelled with police.
  用绳子围了一块宽阔场地，并由警察看守着。
 »trees sentinelled the trenches.
  树木守卫着战壕。◘ stand sentinel
1. (of a soldier) keep watch
• （士兵）站岗
 »soldiers stood sentinel with their muskets.
  士兵们持枪站岗。
 »a tall round tower standing sentinel over the river.
  一座高高耸立在河上方的圆塔。1. late 16th cent.: from French sentinelle, from Italian sentinella, of unknown origin

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