alert 

507
高中CET4CET6考研GRETOEFL
单词释义
adj.警觉的,警惕的,戒备的,意识到,注意到
vt.向…报警,使警觉,使警惕,使戒备,使意识到,使认识到
n.警戒,戒备,警惕,警报
词根词缀记忆/谐音联想记忆 补充/纠错
词根al + ert 能量,活力;工作 → 有活力 →  …………
其他怎么记补充/纠错
谐音记忆讹了他,讹了他,他会很警觉
词性拓展记忆 / 词形拓展记忆
原形:alert第三人称单数:alerts复数:alerts过去式:alerted过去分词:alerted现在分词:alerting
词组和短语补充/纠错
on the alert 处于警戒状态
be alert to sth. 对某事保持警惕
alert sb. to sth. 提醒某人注意某事
be alert to 警惕
job alert system 作业警报系统
orange alert 橙色警报
be on the alert 处于警戒状态
make sb. alert 使某人警觉
keep alert 保持警觉
red alert for fog 大雾红色警报
red alert for smog 烟雾红色预警
on the alert for 处于的警报状态
air-raid alert 空袭警报
on the alert for ... 处于警报状态...
an alert face 警觉的面孔
alert someone to sth. 提醒某人注意某事
on the alert against ... 警惕...
alert system for food safety 食品安全警报系统
bomb alert 炸弹警报
on the alert for something 对某事保持警惕
verified alert 已验证的警报
单词例句
The sign is an alert to us.
标识牌对我们来说是一种警示。
Rabbit is very alert.
兔子非常机警。
There is an alert dialog on the screen.
屏幕上有一个警告对话框。
An alert was triggered when the system detected a virus.
当系统检测到病毒时,警报被触发。
The fire alarm went off, prompting everyone to evacuate the building immediately.
火警响起,要求所有人立即撤离大楼。
She received an email alert for her online purchase, confirming its delivery.
她收到了网购商品送达的电子邮件警报。
The police issued a crime alert for the missing child.
警方发出了寻找失踪儿童的犯罪警报。
My phone keeps giving me an alert for low battery, I need to charge it soon.
我的手机不断发出低电量警报,我得快点充电了。
The weather app sent an alert of severe thunderstorms in the area later today.
天气应用发出了今天晚些时候该地区有强烈雷暴的警报。
The security system sent an alert when an unknown person entered the house.
安全系统在陌生人进入房子时发出了警报。
I set up a notification alert for my friend's birthday, so I wouldn't forget.
我设置了朋友生日的提醒警报,以免忘记。
The airline sent an alert to passengers about a delay in their flight departure.
航空公司向乘客发送了航班延误的警报。
The app provided an alert for a traffic jam on the usual route, suggesting an alternative.
应用程序因常规路线出现交通堵塞而发出警报,并建议替代路线。
We all have to stay alert.
我们都必须保持警惕。
Soldiers and police have been put on alert.
士兵和警方都已进入警戒状态。
The doctor advised her to stay alert for any changes in her condition.
医生建议她保持警觉,留意身体状况是否有变化。
He wanted to alert people to the activities of the group.
他想警告人们注意这个组织的行动。
More than 5,000 troops have been placed on full alert.
5,000多名士兵已处于全面戒备状态。
The bank is alert to the danger.
银行对这种危险有警觉。
Two alert scientists spotted the mistake.
两个机警的科学家发现了这个错误。
Also, we have to be alert to the COVID-19 resurgences.
此外,我们必须警惕新冠肺炎的死灰复燃。
"Also, when spending by a certain order has surpassed the average level, the system would send out alert reminding service attendants of potential wastes to be incurred.
Zhang Wenhong, head of the Department of Infectious Diseases at Huashan Hospital under Fudan University, said that as the pandemic goes on, we need to stay alert and get accustomed to normal epidemic prevention and control in the coming one to two years.
New Zealand entered a four-week lockdown, or epidemic response Alert Level 4, from midnight March 25.
The technology, co-developed by Xiaomi and domestic quake alert research lab Institute of Care-Life, will use alarms and pop-ups to alert smartphone and TV users of tremors seconds or tens of seconds before the seismic waves hit.
Key features include enhanced risk analysis, alert and intervention models and a new in-app safety assistant that offers real-time support from safety specialists.
When in a serious crisis, leverage external experts, if necessary, to handle the crisis properly and efficiently.2) Establish a customized and localized crisis alert system to fit China's rapidly changing social media environment.3) Upgrade the internal positioning of the crisis communication and PR departments, and allow them to report directly to the head of operations in China.4) Constantly improve the crisis awareness and crisis management ability of all staff, provide regular crisis management training, simulation exercises, and crisis communications audits.5) Establish spokesperson policy and provide spokesperson training on yearly basis, to improve the critical skills of a spokesperson, a kind of corporate soft skills, given their growing importance today in China.6) Management issues can be fixed, but value problems are more challenging.
"Most countries have always been highly alert to US government acts of resorting to state power to crack down on companies in other countries, disrupt markets and obstruct mutually beneficial cooperation between other countries," Lu said.
However, there are those who now challenge the tech free-for-all and say that regulators should be alert to the potential downsides of the online revolution in an increasingly connected world.
If you prepare yourself and stay alert to what is happening around you, there is little reason for serious concern.
考试真题例句(机器翻译仅供参考)
全部
四级
考研
六级

四级That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.

这一方法将消除大多数跳线问题,但它们的无线等效干扰又如何呢?如果将正确的设备调谐到正确的频率,那么如何阻止窃贼干扰您的设置并阻止警报信号到达基站?干扰问题并不是什么新鲜事,也不是安全系统独有的问题。

2016年12月阅读原文

四级It caught us in the act, sent an alert to my smartphone, and also listed our RF interference on the system's event log.

它发现了我们的行为,向我的智能手机发送了警报,并在系统的事件日志中列出了我们的射频干扰。

2016年12月阅读原文

考研The heightened alert followed an emergency meeting with flu experts in Geneva that assembled after a sharp rise in cases in Australia, and rising numbers in Britain, Japan, Chile and elsewhere.

在澳大利亚病例急剧上升,英国、日本、智利和其他国家的病例不断上升之后,在日内瓦召开了流感专家紧急会议,随后加强了警报。

2010年考研真题(英语二)完形填空 Section Ⅰ

六级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 against any potential danger.

研究人员解释说,这项研究表明,当我们处于一种新的环境中时,大脑部分保持警觉,以便人类能够抵御任何潜在的危险。

2017年6月六级真题(第三套)阅读 Section A

四级If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.

如果他们在系统启用时检测到错误,他们将向基站发送无线警报信号,然后基站将发出警报。

2016年12月阅读原文

六级Their risky behaviors—drinking too much alcohol, using illegal drugs, smoking cigarettes and skipping school—can alert parents and teachers that serious problems are brewing.

他们的危险行为饮酒过量、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12月阅读原文

四级When the system thinks it's being jammed, it'll notify you via -94- push alert ( ' , 推送警报).

当系统认为它被阻塞时,它会通过-94-推送警报(',推送警报).

2016年12月阅读原文

四级More sleep in old age, however, is associated with better health, and most older people would feel better and more alert if they slept for longer periods, he said.

他说,老年人睡眠时间越长,身体越健康。如果睡眠时间长,大多数老年人会感觉更好、更警觉。

2011年6月阅读原文

四级She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators.

她还从之前对鸟类和海豚进行的研究中了解到,这些动物一次会让一半的大脑进入睡眠状态,这样它们就可以休息,同时保持足够的警觉以躲避捕食者。

2017年12月四级真题(第一套)阅读 Section C

四级She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones.

她计算出,如果左半球在陌生的环境中保持警觉以保持警惕,那么它会对不规则的嘟嘟声做出反应,将人们从睡眠中唤醒,并忽略定时的嘟嘟声。

2017年12月四级真题(第一套)阅读 Section C

四级When the system thinks it's being jammed, it'll notify you via push alert.

当系统认为它被阻塞时,它会通过推送警报通知您。

2016年12月四级真题(第一套)阅读 Section B

四级with the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?

如果将正确的设备调谐到正确的频率,如何阻止窃贼干扰您的设置并阻止警报信号到达基站?

2016年12月四级真题(第一套)阅读 Section B

六级To alert American workers to the urgency for adaptation.

提醒美国工人适应的紧迫性。

2016年6月阅读原文

六级To be alert to fluctuations in foreign markets.

警惕国外市场的波动。

2011年12月阅读原文

六级And when that is failed, they stop the hunters, banging on pots and pans to alert the deer.

如果失败了,他们会阻止猎人,敲打锅碗瓢盆提醒鹿。

2013年12月听力原文

六级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,你一半的大脑保持警觉,为危险做好准备。

2017年6月六级真题(第三套)阅读 Section A

考研Jealousy and anger, for example, may have evolved to alert us to important inequalities.

例如,嫉妒和愤怒可能已经进化到提醒我们注意重要的不平等。

2019年考研真题(英语二)阅读理解 Section Ⅱ

六级We become more energetic, more alert, better able to take effective action.

我们变得更有活力,更警觉,更能采取有效行动。

2008年12月英语六级真题

四级People will be alert (警觉的) and receptive (接受能力强的) if they are faced with information that gets them to think about things they are interested in.

人们将保持警惕(警觉的) 并且易于接受(接受能力强的) 如果他们面对的信息能让他们思考自己感兴趣的事情。

1995年6月大学英语四级(CET-4)真题

四级High-quality customer service is preached(宣扬) by many ,but actually keeping customers happy is easier said than done Shoppers seldom complain to the manager or owner of a retail store, but instead will alert their friends, relatives, co-workers, strangers-and anyone who will listen.

宣传高质量的客户服务(宣扬) 很多人认为,但实际上让客户满意说起来容易做起来难

2008年12月英语四级考试真题

四级She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators (捕食者).

她还从之前对鸟类和海豚的研究中了解到,这些动物一次将一半的大脑投入睡眠,这样它们就可以休息,同时保持足够的警惕,以躲避捕食者(捕食者).

2017年12月大学英语四级考试真题(第1套)

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