泥沙运移浓度

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(184) / 评论(0) 分类 Scientific American(十一)月

031 transport Words Bus train bicycle car boat ship motorcycle van truck tram ferry barge speedboat yacht Coach airplane helicopter balloon minibus cruise ship scooter airport shuttle bus light railway Subway commuter train platform terminal bus/rail

发表于:2018-12-25 / 阅读(180) / 评论(0) 分类 情景英语口语100主题

Traffic jams are common in Auckland. They are bad for business and bad for commuters who sit in their cars on the way to work getting more and more annoyed by congestion. The Prime Minister, John Key, announced this week more money to improve Aucklan

发表于:2018-12-31 / 阅读(187) / 评论(0) 分类 新西兰英语

Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is

发表于:2019-01-02 / 阅读(222) / 评论(0) 分类 双语有声阅读

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(202) / 评论(0) 分类 2017年VOA慢速英语(五)月

Asian nations have agreed to form a network of railroads that aims to connect 28 countries in the region to each other and Europe. The Trans-Asian Railway holds out the promise of improved trade, transport, and integration. But, forming the massive

发表于:2019-01-13 / 阅读(190) / 评论(0) 分类 VOA标准英语2009年(六月)

Smooth Transport Will Be Key to London Olympics Central London is busy even on normal days. Major events like the Olympics can bring near grid lock. It's going to obviously cause traffic, said Steve McCann, who has been driving a London taxi for seve

发表于:2019-01-13 / 阅读(173) / 评论(0) 分类 VOA标准英语2012年(七月)

Development Banks to Fund Sustainable Transport The worlds eight largest development banks say theyll invest 175 billion dollars to finance sustainable urban transportation systems. The announcement came at the U.N. Conference on Sustainable Developm

发表于:2019-01-13 / 阅读(174) / 评论(0) 分类 VOA标准英语2012年(六月)

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(189) / 评论(0) 分类 VOA标准英语2012年(十月)

The script of this programme 本节目台词 Tubes and buses are the best way to get round London. John: Hi, and welcome to BBC Learning English. I'm John. Oliver: 大家好,我是 Oliver。 John: Today we're going to find out all about public transport in Lo

发表于:2019-01-18 / 阅读(325) / 评论(0) 分类 都市掠影

By Selah Hennessy Dakar 05 October 2007 A Congolese government spokesman announced Friday that the country's transport minister has been fired for incompetence, after a deadly plane crash Thursday left at least 37 people dead. As the flames from the

发表于:2019-01-26 / 阅读(187) / 评论(0) 分类 2007年VOA常速英语(十月)

By Anjana Pasricha New Delhi 03 February 2008 India is set to buy six Hercules transport planes from U.S-based Lockheed Martin. As Anjana Pasricha reports from New Delhi, this will be India's biggest arms deal with the United States, and a major depa

发表于:2019-01-30 / 阅读(202) / 评论(0) 分类 VOA常速英语2008年(二月)

By Delia Robertson Johannesburg 13 March 2006 South African rail and port workers embarked on a one-day strike Monday to protest restructuring of the national transport corporation. Commuters in all m

发表于:2019-01-30 / 阅读(243) / 评论(0) 分类 2006年VOA标准英语(三月)

In the wake of the subway bombings in Moscow, public transport systems seem vulnerable. London's system is one of the largest and most complex in the world. Officials in the British capital have long worked to keep the transport system safe, but have

发表于:2019-02-06 / 阅读(234) / 评论(0) 分类 VOA标准英语2010年(四)月

LONDON, April 14 (Xinhua) -- Londay's local city government said on Thursday that the city's transport infrastructure is still one of the biggest risks to the running of the 2012 Olympic Games. Val Shawcross, chairman of the London Assembly transport

发表于:2019-02-07 / 阅读(207) / 评论(0) 分类 英语新闻

BEIJING, Jan. 5 (Xinhua) -- The Chinese government has vowed to introduce more measures to prioritize the development of public transport systems in the country's increasingly congested urban areas. In downtown areas, there should be a bus stop every

发表于:2019-02-08 / 阅读(217) / 评论(0) 分类 英语新闻

Voice 1 Hello. Im Rachel Hobson. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Taxi! Voice 1 The c

发表于:2019-02-14 / 阅读(186) / 评论(0) 分类 环球英语 Spotlight

In 2011 the Rugby World Cup will be held in New Zealand for the second time. Many of the games will be held in Auckland and some games will have up to 60,000 people attending. With a lot of extra people moving around the city there could be some seri

发表于:2019-02-15 / 阅读(227) / 评论(0) 分类 新西兰英语

MOSCOW, Jan. 27 (Xinhua) -- Russia should adopt tougher security measures(安全措施) to ensure transport safety, Russian President Dmitry Medvedev said here on Thursday after he came back from the Davos Forum. The president visited Moscow's su

发表于:2019-02-17 / 阅读(224) / 评论(0) 分类 英语新闻

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(234) / 评论(0) 分类 托福英语
学英语单词
a bridle trail
acetylimino-
actinokimography
Aduard
Amtrack
asynchronous pacemaker
athermantus imperialis
authentication code
avez
backwashed
bed killing
booties
carciag
carpet lining paper
cogwheeling
committee-member
complete checking
court's judgement
Cuzorn
decimalisations
deipnosophistry
double action pressing
double hclical bevel gear
engine cut off timer
finvarras
fission damage
fixe
flexibility of piping system
Flexilon
flood discharge level
flower nursery
food adulteration
four colour map theorem
frequency carrier system
gathering cry
geochemical landscape
ghost station
gustafson
haloptilus ornatus
heating tube in section of radiation chamber
histoclasia
Karla Marksa, Imeni
keep your head
laser terrain profile recorder
law of electrostatic attraction
leathergirls
licence agreement
lichtenoid eczemas
Litchi Sonn.
man a boat
Marboran
marginalised
media entertainment
molasses
monodal
n-dimensional Euclidean space
NDBC
nefertitis
noise-gated sync separator
nonmammalian
nonobservables
number of cars sended per hour
ocular hypertension
offensive player
oil-bearing stratum
orange-browns
parliamentary company
petiolules
photoelectric transducer
phytophthora macrochlamydospora
Pre-classic
prelease
rapidly strengthen
rectal absorption
reducing apparatus
Rep'yëvskiy Rayon
sea cock,seacock
sealed sources
select row
sense loop
shifted divisor
simmer down to
sitework
social insects
Souprosse
stave-rhymes
Stennian
straitness of lumbar vertebrae
street light
sudanophobic unit
tangential form grinding
temporat
terminus a que
transversus abdominis
tsion
uws
venered wall
video conference
Volissos
water-depth variation
waved switch
word decoder