释义 |
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第三人称单数
alerts
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副词
alertly
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现在分词
alerting
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复数
alerts
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名词
alertness
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过去分词
alerted
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过去式
alerted
短语搭配
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orange alert
橙色预警
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be alert to
警惕;保持警觉;应留意
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alert to
警觉
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on the alert
处于戒备状态
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be alert
警惕;保持警惕;警觉
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high alert
高度警戒
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red alert
红色警报;红色警戒;红色预警
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alert status
警戒状态
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state of alert
警戒状态;警觉状态;戒备状态
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full alert
全面戒备;全部警戒;全员戒备状态
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nationwide alert
全国性的警报
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air alert
空袭警报;空气警报
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alert police
报警
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24-hour alert
24小时警戒
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alert user
警告用户
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heat alert
高温警报;高温橙色警报;橙色高温预警
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agent alert
代理警报
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smog alert
烟雾警报;烟雾警告
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alert driver
提醒司机;警示司机
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increased alert
增长的警惕心;加强的警戒状态
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alert for…
警惕……;小心……
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be-on-the-lookout alert
注意警报;注意警戒
双语例句
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On hearing the fire alert, people poured out of the building.
一听到火警警报,人们就纷纷涌出大楼。
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The policeman alerted the gangster to put down his gun at once.
警察警告这个匪徒立即放下枪。
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She became alert when she found someone following behind her.
当她发现有人跟随她时,她变得警觉起来。
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But her prey are always on high alert.
但她的猎物时刻保持高度机警
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The police are still on high alert as the suspect continues to elude them.
嫌疑人仍然在逃,警察一直处于高度戒备状态。
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The bank is alert to the danger.
该银行对这种危险有警觉。
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Her whole bearing was alert.
她整个人保持着戒备状态。
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We all have to stay alert.
我们都必须保持警觉。
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Two alert scientists spotted the mistake.
两个警觉的科学家发现了这个错误。
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The security alert brought the airport to a standstill.
安全警戒使机场陷入停顿状态。
近义词
反义词
同根词
词根 alert
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alertly
adv. 留意地;提高警觉地
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alertness
n. 警戒;机敏
百科
1. alert是HTML DOM 中用到的一种脚本语言,它的中文意思是“提醒”。它是JavaScript或VBscript脚本语言中窗口window对象的一个常用方法;其主要用法就是在你自己定义了一定的函数以后,通过执行相应的操作,所弹出对话框的语言。并且alert对话框通常用于一些对用户的提示信息。
2. alert,英语单词,名词、动词、形容词,作名词时意为“警戒,警惕;警报;警戒期;(电子设备的)提示信号;(Alert)(美、德、俄、西、印)阿莱尔特(人名)”,作动词时意为“ 使警觉,警告;使意识到”,作形容词时意为“警惕的,警觉的;机警的,机敏的;充分意识到的”。
释义
adj.
quick to notice any unusual and potentially dangerous or difficult circumstances; vigilant
警惕的,警觉的,机警的
able to think clearly; intellectually active
机灵的,机敏的
n.
the state of being watchful for possible danger
警惕,警戒
[count noun]an announcement or signal warning of danger
警报,警示
[count noun]a period of vigilance in response to such a warning
警戒期
[count noun]a signal on an electronic device that prompts the user to do something or attracts their attention
(电子设备的)提示信号
v.
warn (someone) of a danger, threat, or problem, typically with the intention of having it avoided or dealt with
(尤指为了避免或应付危险、威胁或问题而)提醒,警告(某人)
短语
易错必背词
词源
"late 16th cent. (originally in military use): from French alerte, from Italian all' erta ‘to the watchtower’."
考纲分布
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adj 警觉的
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vt 向…报警; 使意识到
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n 警报
考纲释义
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adj. 警觉的
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vt. 向…报警; 使意识到
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n. 警报
考纲分布
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adj/un/v 警戒(的); 使警戒
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v/adj (使)意识到
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n 警报
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n 警戒期
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adj/n 机灵的; 灵敏的
考纲释义
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adj/un/v. 警戒(的); 使警戒
英文释义:
quick to notice any unusual and potentially dangerous or difficult circumstances; \na situation in which people are watching for danger and ready to deal with it; \nwarn someone about a dangerous or urgent situation
真题例句:
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The research team say they believe the "alert-but-passive" nature of television watching may be creating stress on the mind which contributes to memory decline.
该研究小组表示,看电视“警觉但被动”的本质可能会给大脑造成压力,从而导致记忆力下降。
[2020年 CET4 听力]
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v/adj. (使)意识到
英文释义:
make someone aware of something; \naware of something; especially a problem or danger
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n. 警报
英文释义:
a warning of danger or of a problem
真题例句:
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Evacuate the area with the orange alert.
用橙色警报撤离该地区。
[2020年 CET4 听力]
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The transport minister advised people in parts of Scotland covered by the orange alert to avoid travel on Wednesday.
交通部长建议出现橙色警报的苏格兰部分地区的居民周三避免出行。
[2020年 CET4 听力]
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n. 警戒期
英文释义:
the period during which an alert is in effect
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adj/n. 机灵的; 灵敏的
英文释义:
able to think clearly; intellectually active
必考短语
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orange alert
橙色预警
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be alert to
警惕; 保持警觉; 应留意
考纲分布
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v/adj 提醒注意; 使意识到; 意识到
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adj/un/v 警戒的; 警戒状态; 使警戒
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cn 警报
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adj/n 机灵的; 灵敏的
考纲释义
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v/adj. 提醒注意; 使意识到; 意识到
英文释义:
make someone aware of something; \naware of something, especially a problem or danger
真题例句:
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In 2016 the Air Force had to issue 3,995,874 warnings to satellite owners alerting them to a potential nearby threat from another satellite.
空军在2016年不得不向卫星拥有者发出3,995,874条警告,提醒他们附近另一颗卫星的潜在威胁。
[2019年 CET6 阅读理解]
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For example, fear can alert us to possible danger.
例如,恐惧可以提醒我们可能的危险。
[2016年 CET6 听力]
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Their behaviors—drinking too much alcohol, using illegal drugs, smoking cigarettes and skipping school—can alert parents and teachers that serious problems are brewing.
他们的行为——酗酒、使用非法药物、吸烟和逃学——可以提醒家长和老师,严重的问题正在酝酿之中。
[2016年 CET6 阅读理解]
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To alert American workers to the urgency for adaptation.
提醒美国工人适应的紧迫性。
[2016年 CET6 阅读理解]
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adj/un/v. 警戒的; 警戒状态; 使警戒
英文释义:
quick to notice any unusual and potentially dangerous or difficult circumstances; \na situation in which people are watching for danger and ready to deal with it; \nwarn someone about a dangerous or urgent situation
真题例句:
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In 2016 the Air Force had to issue 3,995,874 warnings to satellite owners alerting them to a potential nearby threat.
2016年,空军不得不向卫星所有者发出3995874次警告,提醒他们附近存在潜在威胁。
[2019年 CET6 阅读理解]
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Half of your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed.
一项研究显示,当你在一个新的地方睡觉时,你的一半大脑保持警觉,为危险做好准备。
[2017年 CET6 阅读理解]
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The researchers explained that the study demonstrated when we are in a novel environment the brain partly remains alert so that humans can defend themselves.
研究人员解释说,这项研究表明,当我们处于一个新的环境中时,大脑部分保持警惕,以便人类能够保护自己。
[2017年 CET6 阅读理解]
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cn. 警报
英文释义:
a warning of danger or of a problem
真题例句:
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Paris prosecutor Remy Heitz said that an initial fire alert was sounded at 6:20 pm on Monday evening but no fire was found.
巴黎检察官Remy Heitz表示,周一晚上6点20分发出了最初的火灾警报,但没有发现火灾。
[2021年 CET6 阅读理解]
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The second alert was sounded at 6:43 pm, and the blaze was discovered on the roof.
第二次警报于下午6:43响起,在屋顶上发现了大火。
[2021年 CET6 阅读理解]
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adj/n. 机灵的; 灵敏的
英文释义:
able to think clearly; intellectually active
必考派生词
考纲分布
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adj 机警的; 警惕的
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v 使警觉; 提醒
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n 警报
考纲释义
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adj. 机警的; 警惕的
英文释义:
quick to see, understand, and act in a particular situation
真题例句:
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Stay alert to serious symptoms, such as chest pain, severe shortness of breath or dizziness, or faintness, and seek medical attention immediately.
对严重症状保持警惕,如胸痛、严重气短、头晕或昏厥,并立即就医。
[2022年 英语二 阅读理解B]
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v. 使警觉; 提醒
英文释义:
make someone aware of something; \naware of something, especially a problem or danger
真题例句:
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Jealousy and anger, for example, may have evolved to alert us to important inequalities.
例如,嫉妒和愤怒可能是为了提醒我们注意重要的不平等现象而进化的。
[2019年 英语二 阅读理解A]
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n. 警报
英文释义:
a warning to people to be prepared to deal with something dangerous
必考短语
用法讲解
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alert常用作表语,后接介词in或to,表示“对...保持警惕”。例:
Schools need to be constantly alert to this problem.
各学校对此问题应该始终保持警惕。
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alert是及物动词,常接名词或代词作宾语;alert也接双宾语,其直接宾语多为that引导的从句。alert还可接以动词不定式充当补足语的复合宾语。例:
We will alert operating personnel to repair.
我们将通知操作人员去维修。
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