水流挟沙能力

As the world's biggest steel producer, China generates over half of global output every year, or more than twice the combined output of the next four leading steel makers: Japan, India, the United States and Russia put together. It's estimated the co

发表于:2018-12-02 / 阅读(120) / 评论(0) 分类 2016CRI中国国际广播电台

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(64) / 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(85) / 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(79) / 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(48) / 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(93) / 评论(0) 分类 2017年VOA慢速英语(五)月

By Mil Arcega Washington 21 May 2008 The Air Transport Association predicts fewer domestic airline passengers in the U.S. this summer, between June 1 and August 31. The airline trade group says higher fuel prices and a weak economy have reduced airli

发表于:2019-01-06 / 阅读(69) / 评论(0) 分类 VOA标准英语2008年(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(83) / 评论(0) 分类 Scientific American(四)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(70) / 评论(0) 分类 VOA标准英语2012年(十月)

Zhao Chenxin, spokesperson for Chinas National Development and Reform Commission, speaks at a news briefing in Beijing on August 16, 2016. [Photo: china.com.cn] Zhao Chenxin, spokesperson for the National Development and Reform Commission, suggests l

发表于:2019-01-17 / 阅读(99) / 评论(0) 分类 2016CRI中国国际广播电台

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(56) / 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(82) / 评论(0) 分类 世界各地新闻集锦

Experts from China's top-think tank say the world economy has entered a new stage, but the economic re-adjustment currently taking place poses new challenges. Jin Bei, a senior researcher with the Chinese Academy of Social Sciences says global cooper

发表于:2019-01-19 / 阅读(89) / 评论(0) 分类 2015CRI中国国际广播电台

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(101) / 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(76) / 评论(0) 分类 英语新闻

YICHANG, Oct. 30 (Xinhua) -- China's Three Gorges Dam on Sunday reached its designed highest mark, the second time for the world's largest water control and hydropower project to run at full capacity. The water level hit 175 meters at 5 p.m. after st

发表于:2019-02-07 / 阅读(128) / 评论(0) 分类 英语新闻

今天我们要学的词是capacity。 Capacity, 容量。 The stadium was near capacity for last night's season opener, 昨晚赛季首场比赛,几乎座无虚席。 The campus housing has reached its capacity, 学校宿舍已经满员。 The Bei

发表于:2019-02-07 / 阅读(91) / 评论(0) 分类 英语单词荟萃

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(96) / 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(92) / 评论(0) 分类 托福英语

As the world's largest coal producer and consumer, massive coal production has powered China's economic advance over the past few decades. But shrinking domestic demand amid an economic slowdown has made much of this capacity redundant. Wang Xianzhen

发表于:2019-02-21 / 阅读(99) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
a stick to beat sb with
abequose
acetonide acetate
algeldrote
Aop(approve)
aquatintist
Ashraf-Lotfi's Suggestion
asphaltite (asphalt)
bainilla
black ash liquor
bootability
brush colter
cache snooping
cast iron road paving block
chemical retardation
continuous leaching
cross woven fabric
data base handling system
datum feature
day disc
dispersion wavelength
drop something into someone's lap
Eagley
emission characteristic
ethological
even numbered channel
filippinoes
financial fund
first time
for aye
fromes
functional block
genus Laelia
Gettiered
grooved bit
hail suppression program
health preserving with drugs
Huon G.
hydnocarpus hainanensis(merr.)sleum
hydroskeletons
imaginary surface
internal audit section
internal heat generation
internal resistance furnace
internal value
involute-gear-cutter
Koebe function
left-handed wave
linked allocation
longitudinal redundancy checking
lounge-goer
low-pressure lamp
lowborn
made a bonfire of
messuages
Mevinacor
multi-deck purifier
multiple objective programming
muscle stripes
night-watch
NO-PYR
nocturnal penile tumescence
non-core choking coil
non-pollution plastic
o'grady
on-board data automatic reporting system
one-step elution
others-with
panelectroscopy
PCTC
photo elasticity
proppy
punch-through breakdown
ran away with
remarketability
resection of distal end of ulna
retention of foreign reserves
return certificate
shimshal p.
side-wind
single arm bone-stretcher
spear pyrites
Sucio, R.
sustained voltage
tatz
The Niobe
tilters
triplett
true color fidelity
urban heat supply
vacuum washer
veggetable electricity
Veneman
venous return blood
walking simulators
weighted summing unit
weld region
well heeled
wendover
wetsuit
word-oriented processor
xanthomonas cannabis (watanabe)muko et al.