沉积物污染

SCIENCE IN THE NEWS - Findings About Air Pollution and Heart Disease / Fossils from the 'Missing Years' in Africa / U.S. Bans... By Caty Weaver Broadcast: Tuesday, January 13, 2004 (THEME) VOICE ONE:

发表于:2018-12-07 / 阅读(149) / 评论(0) 分类 科技之光

By Caty Weaver Broadcast: September 5, 2003 This is Bob Doughty with the VOA Special English Environment Report. The administration of President Bush has eased an air pollution rule for about seventee

发表于:2018-12-15 / 阅读(180) / 评论(0) 分类 VOA2003(下)-环境与健康

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 Scientific American(九)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 Scientific American(十一)月

SCIENCE IN THE NEWS - Air Pollution Harms Young Lungs / A Legal Settlement Over Teflon By Broadcast: Tuesday, October 05, 2004 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-02 / 阅读(295) / 评论(0) 分类 科技之光

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(四)月

LONDON, Aug. 10 (Xinhua) -- The weather for the closing ceremony of the London Olympic Games this Sunday is likely to be in the middle of a spike in air pollution, the British government air pollution forecast predicted on Friday. With just two days

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 英语新闻

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(164) / 评论(0) 分类 VOA标准英语2012年(十月)

I hate pollution. It makes me really angry. I think pollution is greed. People dont care about the environment so they pollute the air just to make lots of money. Big companies are the worst. They pretend theyre not polluting. They have the money to

发表于:2019-01-21 / 阅读(250) / 评论(0) 分类 纯正英语一分钟

淡水FRESHWATER 淡水资源Freshwaterresources 谈水保护Conservationoffreshwater 水坝Dams 冰Ice 湖泊Lakes 自然排水系统Naturaldrainagesystems 河流流域开发Riverbasindevelopment 河流

发表于:2019-02-02 / 阅读(184) / 评论(0) 分类 英文语法词汇

今天我们要学的词是pollution。 Pollution, 是污染的意思。 Air pollution, 空气污染。 Water pollution, 水污染。 Beijing's chronic pollution has been one of the biggest headaches for the Olympic Games organizers, 北京长期的空

发表于:2019-02-04 / 阅读(189) / 评论(0) 分类 英语每日一词

By Stefan Bos Budapest 15 April 2008 The European Union and several key Danube organizations are urging countries along the river Danube to prevent irreversible damage to the waterway, warning the growing pollution could endanger drinking water for s

发表于:2019-02-04 / 阅读(153) / 评论(0) 分类 VOA常速英语2008年(四月)

BEIJING, Jan. 29 (Xinhua) -- Thirty percent of official cars in Beijing should not be used when there is extremely bad pollution, traffic authorities confirmed Tuesday. The order was implemented on Monday evening to help combat the fourth round of he

发表于:2019-02-04 / 阅读(283) / 评论(0) 分类 英语新闻

BEIJING, Jan. 22 (Xinhua) -- Beijing will strengthen its efforts to treat PM2.5 and slash the density of major air pollutants by 2 percent this year, the municipality's acting mayor said Tuesday. The capital will take 180,000 old vehicles off the roa

发表于:2019-02-04 / 阅读(197) / 评论(0) 分类 英语新闻

BEIJING, Jan. 19 (Xinhua) -- The number of vehicles on Beijing's roads could be cut on days when the city suffers from heavy air pollution, according to a new regulation released for comments on Saturday. According to the Beijing Municipal Air Pollut

发表于:2019-02-04 / 阅读(166) / 评论(0) 分类 英语新闻

NANCHANG, Feb. 25 (Xinhua) -- Tap water for 60,000 people was cut off Monday due to the pollution of a water source in east China's Jiangxi Province, government sources said. Around 10 a.m. Monday, an oily substance was seen floating near a water int

发表于:2019-02-04 / 阅读(180) / 评论(0) 分类 英语新闻

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(203) / 评论(0) 分类 英语新闻

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

发表于:2019-02-18 / 阅读(202) / 评论(0) 分类 阅读空间

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(200) / 评论(0) 分类 托福英语
学英语单词
a coming man
abu ad duhur
androgynary
arrange about
auxiliary actuator
B. Eng.
benihidiol
bielectrolysis
bischop
blood head cheese
body effect diode amplifier
boofhead tortoises
breece
bronchospastic
bundle loosed
butcher-boy
carracks
complex component
copper plating fog inhibitor
cyclone fines separator
datacasts
Delaram
dichlamydeous
dirty side
dispersing phases
dotutamine
Douglas Head
dynamometer life
effect of population density
electrogas process
extracoital
ferroceny-lferrocene
Flinders River
fresh pork
full of iniquities
global trunk quality
hold counsel
hydraulic torque of impeller
informationalism
intermittent debris flow
knocked wood
knockoff brand
kokoro
Kundiān
laying down the law
lead-lined
leave a great deal to be desired
lenticular degeneration
lift of propeller
Master of Science in Engineering
mcmoneagle
modulus decay
more aggressive
new public service
NHHC
night-safe
noncoincident
octameter
omni-bearing
orbitotomy
overseas students
Panicum trypheron
peak average ratio
plastering unit for cement-lime mortars
poak
post-lysosome
preliminary work
prestress wire
primary slime
Punaka
put a machine into service
recurrent dislocation
Rehling
scientific prediction
second-degree parabola
selenium conductive cell
self-colour
servomotor
shirt-cuffs
Sibbaldia phanerophlebia
signal beacon
sliding-key
soak-up method
spot pricing
steam type break
sukulaite (stannomicrolite)
surface viscometer
teaching objectives
test criteria
test executive program
Tetracemindinatrium
tiners
tough-mindeds
trapped air
underground cavity survey
upper side of deck beam
vibratory milling
vocabulary growth
weak completions
well-harnessed
yellow sage
Zhejiang