sentinel

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. A sentry, watch, or guard.
    — They promised faithfully to bear their confinement with patience, and were very thankful that they had such good usage as to have provisions and light left them; for Friday gave them candles (such as we made ourselves) for their comfort; and they did not know but that he stood sentinel over them at the entrance.
  2. A private soldier. obsolete
    — “I will not permit the poorest centinel to be treated with injustice.”
  3. A unique value recognised by a computer program for processing in a special way, or marking the end of a set of data.
    — The <xmp> tag is a sentinel that suspends web-page processing and displays the subsequent text literally
  4. A sentinel crab.
  5. A sign of a health risk (e.g. a disease, an adverse effect). attributive
    — sentinel animals can be used to explore endemic diseases.
动词 v.
  1. To watch over as a guard. transitive
    — He sentineled the north wall.
  2. To post a guard for. transitive
    — He sentineled the north wall with just one man.

词形变化

sentinels plural centinel alternative,obsolete sentinels present,singular,third-person sentineling US,participle,present sentinelling UK,participle,present sentineled US,participle,past sentineled US,past sentinelled UK,participle,past sentinelled UK,past centinel alternative,obsolete

词汇关系

衍生词
biosentinel nonsentinel Senfic Senner sentinel event sentinelship sentinelwise stand sentinel

词源

词源 1
First attested in the 1570s from Middle French sentinelle (“watch or guard kept by a soldier”), from Old Italian sentinella, probably from sentina + -ella, from sentire (“perceive, watch, hear”), from sentiō (“feel, perceive by the senses”). See also sense, sentient.
词源 2
First attested in the 1570s from Middle French sentinelle (“watch or guard kept by a soldier”), from Old Italian sentinella, probably from sentina + -ella, from sentire (“perceive, watch, hear”), from sentiō (“feel, perceive by the senses”). See also sense, sentient.
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