alert
英音 [əˈlɜːt]   美音 [əˈlɜːrt]  
高中/CET4/CET6/考研/GRE/TOEFL
单词释义 纠错+ 生词本
adj.警惕的,警觉的;机警的,机敏的;充分意识到的
v.使警觉,警告;使意识到
n.警戒,警惕;警报;警戒期;(电子设备的)提示信号
n.(Alert)(美、德、俄、西、印)阿莱尔特(人名)
怎么记 纠错 +补充
【词根】al(全部)+ert(动、活动、起来)→全部动起来(全部动起来肯定是紧急情况)→警惕、警觉
【对比】
alert adj.警觉的
alter v.改变;更改
avert v.转开,避免
【串记】
The assessor asserts that he inserted the deserted desserts in the desert with alert.
估价人认定他用警惕把被抛弃的甜点心插入沙漠中。
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。
考试真题例句(机器翻译仅供参考)

【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。

【六级】To alert American workers to the urgency for adaptation.

提醒美国工人适应的紧迫性。

【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。

【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。

【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。

【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。

【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?

【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。

【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。

【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。

【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。

【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。

【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。

【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).

【六级】To be alert to fluctuations in foreign markets.

警惕国外市场的波动。

【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。

【考研】Consumers passionate about a product may create “owned” media by sending e-mail alerts about products and sales to customers registered with its Web site.

对产品充满热情的消费者可以通过向在其网站上注册的客户发送有关产品和销售的电子邮件通知来创建“自有”媒体。

【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。

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