泥沙控制设施

This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as

发表于:2018-12-24 / 阅读(110) / 评论(0) 分类 Scientific American(五)月

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(121) / 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(117) / 评论(0) 分类 Scientific American(十一)月

(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called

发表于:2018-12-30 / 阅读(92) / 评论(0) 分类 托福听力短文

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(132) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Farmers fertilize their fields to get the maximum meal from their crops. But the effects of these loads of nitrogen and phosphorous extend beyond the field and past

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 Scientific American(三)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(133) / 评论(0) 分类 Scientific American(四)月

By Carol Pearson Washington 25 May 2007 Women who do not want children, and those who do, are both getting new help. The U.S. government has approved a birth control pill that eliminates menstrual cycles, and it also has approved a product to help wo

发表于:2019-01-11 / 阅读(168) / 评论(0) 分类 2007年VOA标准英语(五月)

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(107) / 评论(0) 分类 VOA标准英语2012年(十月)

US Army Corps of Engineers Works to Avert Crisis on Mississippi River It is a familiar routine for the crew members of the Dredge Potter, making their way along the Mississippi River to the growing number of shallow trouble spots and digging in. The

发表于:2019-01-14 / 阅读(112) / 评论(0) 分类 VOA标准英语2012年(十二月)

What then of manned space exploration? 那载人的空间探索呢? The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result

发表于:2019-01-18 / 阅读(103) / 评论(0) 分类 TED演讲商业篇

The 9/11 terrorist attack in New York not only killed people. It also killed local businesses, too, as many residents and companies moved out of the devastated area. 10 years on things are finally recovering. One Chinese restaurant has been part of t

发表于:2019-01-19 / 阅读(127) / 评论(0) 分类 世界各地新闻集锦

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不

发表于:2019-01-26 / 阅读(150) / 评论(0) 分类 经济学人综合

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(124) / 评论(0) 分类 英语新闻

Checking your mobile phone while having a drink with friends or taking a call over dinner, isn't just annoying for those around you - it could be making you unhappy. 和朋友吃饭或喝饮料时玩手机,不仅会让你的朋友感到生气,还会

发表于:2019-02-06 / 阅读(86) / 评论(0) 分类 阅读空间

首先,我建议同学们不要上完辅导班就去参加考试。虽有趁热打铁之说,但是我相信绝大部分同学在上课期间已经把大部分的精力用于听讲和记笔记了,回家之后基本上就直奔安乐窝了。能够

发表于:2019-02-14 / 阅读(129) / 评论(0) 分类 雅思英语

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(137) / 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(141) / 评论(0) 分类 托福英语

Voice 1 Thank you for joining us for todays Spotlight program. Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 In

发表于:2019-03-04 / 阅读(157) / 评论(0) 分类 环球英语 Spotlight
学英语单词
Academite
account collected in advance
against the wind
anastrophic
annalised
antioxidant capacity
auterial diastole
Bacteroides melaninogenicus
bagasse fibre
be in raptures
bigamies
binary bit
bird vetch
bummare
cash-boxes
Chengfu
chlorophyll content
circumrotations
claims for interest
companywide
competitive supply
compressed-air foundation
cut out valve
Dampierre-sur-Salon
data access control language
Data Mart
departmentalitis
Di-svston
differential culculus
double criminality
egregorsis
electronic arc welder
Erithacus
film-scripts
float-type transmitter
fluoridizes
freedwoman
Gamespy
gene activity
generator cut out
graphic information processing
grass-cutting
heave of the sea
hemafibrite
hematorrhachia
hooping cough
inner-orbital complex
inserted drill
intermediate dorsal cutaneous nerve of foot
jock itch
juniper acid
jus avocandi
Kabile
lamellar granules
low-range flowmeter
magnetic bit extractor
masonic music
mediary
milkfish
misbuttons
monastrol
mongol dynasties
montreuil
multieffect vacuum evaporator
nankotaizanensis
outshops
paddy shoot
panting action
pequeno
peri-insular
phaseisolated busbar
photon meter
porosint
powder accelerator
preventer fork
Pyinbugyi
ramgopal
rearly
reentrustment
sacrificy
sanify
shovel cultivator
silage blower
sodium americyl triacetate
spumone
subconjunctival
subrostralis
tabular joint
terminal interface functions
theories of motivation
third category gassy mine
three-dimensional acquisition radar
topsail schooner
Touwsrivier
trapezium neckline
unity coupler
up-and-down line
value investors
value of equity capital
your radiogram
zircon-pyrophyllite brick