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alert

时间:2021-10-08 06:01人气:来源: 未知
a. 警觉的, 灵敏的, 留心的
n. 警报
vt. 使警觉, 通知, 使意识到
【法】 警报, 警戒状态, 警戒期间
相关词组:
to alert sb to the danger of...
to alert sb to the fact that...
on the alert动词过去式:alerted 过去分词:alerted 现在分词:alerting 第三人称单数:alerts 

名词 alert:

  1. condition of heightened watchfulness or preparation for action
    同义词:qui vive
  2. a warning serves to make you more alert to danger
    同义词:alerting
  3. an automatic signal (usually a sound) warning of danger
    同义词:alarm, warning signal, alarum

动词 alert:

  1. warn or arouse to a sense of danger or call to a state of preparedness
    同义词:alarm

形容词 alert:

  1. very attentive or observant
  2. mentally responsive
  3. not unconscious; especially having become conscious
    同义词:awake
  4. (usually followed by `to') showing acute awareness; mentally perceptive
    同义词:alive, awake
  1. Troops are on the alert against any possible aggression.
    军队戒备着可能的来犯。
  2. The alert leopard went up to a deer quietly.
    警觉的豹子静悄悄地走近一只鹿。
  3. Although he's over eighty his mind is still remarkably alert.
    他虽已年过八十,但头脑仍然十分机敏。
  4. An alert listener will have noticed the error.
    耳朵尖的人能听出这个错。

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