[网络] 警报系统;报警系统;警告系统

alert system的用法和样例:

例句

  1. A pollution warning system is being established.正在建立一个污染报警系统。
  2. Please test the automatic fire detection and alarm system.请对火灾自动报警系统进行测试。

[00:09.48]You are going to hear three conversations where people describe what tings are like. [00:17.84]As you listen,take notes on what they are describing and which adjectives they use. [00:25.21]Conversation 1 [00:29.36]Mm,this fish is really nic

发表于:2018-12-13 / 阅读(172) / 评论(0) 分类 创新英语教程第三册

Worsening air quality in Beijing prompted authorities to activate the red alert around 4 pm on Friday, December 16th, 2016, several hours ahead of the original plans. This means vehicle restrictions are now in place. Rong Jun is with the Beijing Muni

发表于:2018-12-20 / 阅读(81) / 评论(0) 分类 2016CRI中国国际广播电台

Ross Dunn Israeli security forces have gone on high alert for possible terror attacks before the week-long sacred Jewish Passover holiday, which begins at sunset on Monday. Israel says a closure impos

发表于:2019-01-04 / 阅读(88) / 评论(0) 分类 VOA2004(上)--各类新闻

BEIJING, June 2 (Xinhuanet) -- The Inception star Leonardo DiCaprio and the Gossip Girl beauty Blake Lively have been spotted wrapped around one another during a recent trip to Italy, according to media reports. At the Cannes Film Festival, the pair

发表于:2019-01-06 / 阅读(112) / 评论(0) 分类 英语新闻

By Phuong Tran Dakar 14 August 2007 Voters in in Sierra Leone are anxiously awaiting more election results after a small percentage of the count was announced on Monday. Officials counseled patience while they increased patrols around the country and

发表于:2019-01-07 / 阅读(100) / 评论(0) 分类 2007年VOA标准英语(八月)

Rob: Hello, Im Rob and this is 6 Minute English and Im joined this week by Finn. Hello Finn. Finn: Hello Rob. Rob: This week, were discussing sleep. New research has shown that not getting enough sleep - or sleep deprivation - can have a negative eff

发表于:2019-01-07 / 阅读(72) / 评论(0) 分类 六分钟英语

By Tabinda Naeem Washington, DC 26 January 2007 watch Amber Alert report Dylan and Shasta Groene Every day thousands of children around the world are reported missing. Authorities in the United States have devised a special method to alert the publi

发表于:2019-01-11 / 阅读(132) / 评论(0) 分类 2007年VOA标准英语(一月)

By Phuong Tran Dakar 25 August 2007 Rebels in northern Niger have dismissed a government decision to impose a state of alert in the region. Niger's president issued a statement Friday declaring the alert, which gives government forces additional powe

发表于:2019-01-13 / 阅读(101) / 评论(0) 分类 2007年VOA标准英语(八月)

The new round of inspections follow checks that were made earlier this month, in which inspectors found several factories emitting large amounts of pollutants in the city of Xinxiang, during the air pollution alert period. This time, the inspectors f

发表于:2019-01-19 / 阅读(107) / 评论(0) 分类 2015CRI中国国际广播电台

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(98) / 评论(0) 分类 VOA常速英语2008年(四月)

今天我们要学的词是alert。 Alert, 警戒,警报。 The National Weather Service put the area under a tornado alert until 7 o'clock tonight, 国家气象局对本地发布龙卷风警告,晚上七点钟解除。 The police sent out a crim

发表于:2019-02-04 / 阅读(44) / 评论(0) 分类 英语每日一词

SAN FRANCISCO, July 14 (Xinhua) -- Microsoft on Thursday introduces a hacking alert system to its Windows Live Hotmail email service alongside banning common passwords. When someone's account gets hijacked, their friends often find out before they do

发表于:2019-02-05 / 阅读(69) / 评论(0) 分类 英语新闻

BEIJING, Dec. 15 (Xinhua) -- China's meteorological authorities on Saturday issued a blue-coded alert for fog in most parts of the country's central and northern provinces from Saturday night to Sunday morning. Most parts of north China, southwest Ch

发表于:2019-02-06 / 阅读(86) / 评论(0) 分类 英语新闻

SEOUL, April 12 (Xinhua) -- South Korea has downgraded its alert level for foot-and-mouth disease (FMD) one notch as the disease has practically come to an end, the Ministry for Food, Agriculture, Forestry and Fisheries said Tuesday. The ministry(政

发表于:2019-02-07 / 阅读(70) / 评论(0) 分类 英语新闻

BRUSSELS, May 31 (Xinhua) -- A deadly outbreak of E.coli linked to contaminated cucumbers is sending Europe on high alert, as death toll from the disease climbed to 16 till Tuesday. So far, 15 people have reportedly died and more than 300 were seriou

发表于:2019-02-07 / 阅读(108) / 评论(0) 分类 英语新闻

By Jim Teeple Jerusalem 14 February 2008 Israel put its embassies on high alert and advised Jewish institutions around the world to be on guard against possible attacks, following the assassination of a senior Hezbollah leader Tuesday in Damascus. VO

发表于:2019-02-07 / 阅读(67) / 评论(0) 分类 VOA常速英语2008年(二月)

By Sarah Simpson Lagos 08 April 2007 Nigeria's president Olusegun Obasanjo (File) President Olusegun Obasanjo has put Nigerian security agencies on full alert ahead of crucial state and presidential elections, which begin at the weekend. Sarah Simpso

发表于:2019-02-07 / 阅读(142) / 评论(0) 分类 2007年VOA标准英语(四月)

BEIJING, Jan. 21 (Xinhua) -- China's meteorological authorities said Monday that central and east China will be shrouded in fog through Tuesday morning. The National Meteorological Center (NMC) issued a blue alert for the fog. Blue is the lowest leve

发表于:2019-02-08 / 阅读(128) / 评论(0) 分类 英语新闻

Words from the Heart Most people need to hear those three little words I love you. Once in a while, they hear them just in time. I met Connie the day she was admitted to the hospice1 ward, where I worked as a volunteer. Her husband, Bill, stood nervo

发表于:2019-02-13 / 阅读(129) / 评论(0) 分类 英语美文

今天我们要学的词是alert。 Alert, 警戒,警报。 The National Weather Service put the area under a tornado alert until 7 o'clock tonight, 国家气象局对本地发布龙卷风警告,晚上七点钟解除。 The police sent out a crim

发表于:2019-02-18 / 阅读(54) / 评论(0) 分类 英语单词荟萃
学英语单词
Abies chayuensis
Almendralejo
angle hinge
anhydious plumbic acid
ara
bankkop mt.
begge
believings
bi-centennial
bucks off
butning
cable cleat
candle flame
carborundum stone grip
chaminade
color combination
common beeches
conclusible
distributed minicomputer network
elwin
embossed paper
engine man
EREQ
F'
flatsharer
Floxyfral
Foster Bugt
free pilotage
Galvanic Isolation
gear change mechanism
glide missile
green woodpecker
grizz
gymnosporia diversifolia (hemsl.)
horn-break swithch
hyperview
ignition element assembly
indicated airspeed
interleukin-16
Kansaichihō
kluxers
Krasnoturanskiy Rayon
lymphadenectasis
magnesium sulfate bath
metabolus formosanus
money counters' cramp
monopoly body
multifloored
normol stress
O-PD
obdc driver
optoelectronic technology
ornithons
panaxoside
paracalanidae contractus
parallel representation
paramount issue
parmotrema praesorediosum
partitioned sequential file
pectoral mammae
pendant shaking equipment
phenanthro-
power stretch
preoccupyings
radionecrotic
Rajabasa
reserve for purchase of treasury
return-beam vidicon
ride gating
right of legation
riveting tool
sagoin
saltation point
sanitary distance
saprobial
sapromyza (sapromyza) agromyzina
Saxifraga oppositifolia
sea lyme grass
shell-shapes
sintered metal
snug anchorage
stimulatrix
stumpwork
supermarines
systropus hoppo
taiwanization
tell one's rosary
tellulah
tilting machinery
tritarchy
tungsten ore
TV picture-phone
ugly cry
unplummed
Uronema
virtual total duration
Warmeriville
went into operation
when the worst comes to worst
wiping off
work the ass off someone