alert [ə'lə:t]

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vt. ���棻ʹ������ʹ��ʶ��
adj. ����ģ������ģ����ĵ�
n. ���䣬���裻����

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v. alarm
n. alarm��alarum��alerting��qui vive
a. alive��awake

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a.   unalert

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1. The radio alerted coastal residents to prepare for the storm.
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2. Low Battery Alert.
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3. Also select a time of the day when you are alert and ready to read.
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n.
  1. condition of heightened watchfulness or preparation for action
  2. a warning serves to make you more alert to danger
  3. an automatic signal (usually a sound) warning of danger
v.
  1. warn or arouse to a sense of danger or call to a state of preparedness
  2. very attentive or observant
  3. mentally responsive
  4. not unconscious; especially having become conscious
  5. (usually followed by `to') showing acute awareness; mentally perceptive

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alert
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Red Alert
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Alert data
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yellow alert
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Alert Phase
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