alerted

听听怎么读

[əˈlə:tid]

是什么意思

使（某人）保持警觉( alert的过去式和过去分词 )；使意识到；提醒（某人）注意（某事）；使（部队）处于待命状态

双语释义

adj.(形容词)

警惕的,警觉的,注意的 watchful and ready to deal with danger
机灵的,敏捷的 quick to see and act

v.(动词)

vt. 使处于戒备状态; 警告 make sb watchful and ready for possible danger

n.(名词)

[C][S]警戒；戒备；警惕 a situation in which people are watching for danger and ready to deal with it
[C]警报 a warning of danger or of a problem

英英释义

alert[ ə'lə:t ]

n.
- condition of heightened watchfulness or preparation for action
  "bombers were put on alert during the crisis"
  同义词：qui vive
- a warning serves to make you more alert to danger
  同义词：alerting
- an automatic signal (usually a sound) warning of danger
  同义词：alarmwarning signalalarum
v.warn or arouse to a sense of danger or call to a state of preparedness
"We alerted the new neighbors to the high rate of burglaries"
同义词：alarm
adj.
- very attentive or observant
  "an alert and responsive baby is a joy"; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty"
- mentally responsive
  "an alert mind"
- not unconscious; especially having become conscious
  "the patient is now awake and alert"
  同义词：awake(p)
- (usually followed by `to') showing acute awareness; mentally perceptive
  "alert to the problems"
  同义词：alive(p)awake(p)

学习怎么用

词汇搭配

用作形容词 (adj.)

～+名词

alert mind反应敏捷的头脑
alert movements敏捷的动作

～+副词

alert mentally思想上警惕

～+介词

alert in answering questions留心回答问题
alert to随时注意
alert to every sound and movement对任何响动都很警觉

用作动词 (v.)

～+名词

alert the public提醒公众

～+副词

alert amazingly吃惊地警告
alert cautiously小心地警告
alert extremely完全地警告
alert guardedly谨慎地警告
alert resolutely绝对地警告
alert sharply尖锐地警告
alert wisely聪明地警告

～+介词

alert to the danger提醒注意其危险性
alert to the need提醒注意其必要性

用作名词 (n.)

动词+～

call an alert发出警报
sound the alert拉响警报
call off an alert取消警戒状态
go on alert进入戒备

形容词+～

24-hour alert昼夜警戒
active alert战斗警报
blue alert空袭警报
false alert假警报
full alert全面戒备状态
general alert全面警戒
No 1 alert一级战备
preliminary alert预备警报
red alert紧急警报
white alert解除警报
yellow alert预备警报

名词+～

air alert空袭警报
ground alert地面待战
malfunction alert故障报警
nuclear alert核警报

介词+～

during an alert在警戒期间
in state of alert处于警戒状态

～+介词

the alert against any possible aggression警惕任何可能的侵略
the alert for any indications of battle注意任何战事的迹象

词组短语

alert someone to sth使...警觉；使...警惕

on the alert提防；警戒著；随时准备著

red alert紧急警报，红色警报；应急状况

双语例句

用作形容词(adj.)

The alert leopard went up to a deer quietly.
警觉的豹子静悄悄地走近一只鹿。
Although he's over eighty his mind is still remarkably alert.
他虽已年过八十，但头脑仍然十分机敏。

用作及物动词(vt.)

I must alert him to the need to solve the problem.
我必须使他认识到解决这问题的必要性。
But we must remain on the alert.
但是我们现在仍然要保持警惕。
He decided he would stay more alert from now on.
他决定从现在起要更提高警惕了。

用作名词(n.)

Troops are on the alert against any possible aggression.
军队戒备着可能的来犯。
One should not run about aimlessly during an alert.
空袭警报期间不可到处乱跑。

权威例句

Reaction time and EEG activation under alerted and nonalerted conditions.
Improving the performance of Multipath TCP using Delay Alerted Path-blocking Scheduler in Heterogeneous Networks
Alerted by architecture. Non-visual responses to (day)light in office buildings
Push-to-talk wireless telecommunications system utilizing a voice-over-IP network
Anterior femoroacetabular impingement after periacetabular osteotomy.
Systems with Human Monitors: A Signal Detection Analysis
High-level modeling and analysis of the traffic alert and collision avoidance system (TCAS)
Dynamic Power Management in Wireless Sensor Networks
BRAIN WORK AND BRAIN IMAGING
Components of attention.