释义 |
英音
[?'l?:t] ;
美音
[?'l?:t] ;
词形变化
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副词
alertly
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名称
alertness
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时态
alerted,alerting,alerts
英语解释
- not unconscious; especially having become conscious
- warn or arouse to a sense of danger or call to a state of preparedness
- an automatic signal (usually a sound) warning of danger
- mentally responsive
- very attentive or observant
- (usually followed by to') showing acute awareness; mentally perceptive
- condition of heightened watchfulness or preparation for action
- a warning serves to make you more alert to danger
相似短语
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on the alert
保持警惕,处于戒备,提防着
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alert to
vt.警告
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be on the alert
注意
提防
警戒
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alert frequency
【计】 报警频率
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alert pulse
醒时脉博
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strip alert
phr. 待命,国内防御飞机的戒备状态(待发状态)
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orange alert
橙色预警
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smog alert
烟雾警报
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malfunction alert
故障报警器
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alert box
告警框
相似单词
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ALERT
=Alcohol Level Evaluation Roadside Test 路边酒精浓度鉴定试验(防止司机酒后驾车的测试系统)
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alert
adj.
1. 警觉的,警惕的,戒备的
2. 意识到,注意到
v.[T]
1. 向…报警,使警觉,使警惕,使戒备
2. 使意识到,使认识到
n.
1.[U] 警戒,戒备,警惕
2.[
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alert headed
头形灵活的
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1. 警觉的,警惕的,戒备的
2. 意识到,注意到
及物动词:
1. 向…报警,使警觉,使警惕,使戒备
2. 使意识到,使认识到
n.
1.不可数名词: 警戒,戒备,警惕
2.可数名词: 警报