煤油沉积物测定;煤油中沉积物的测定

Thanks for watching our internet edition of Nightline, I'm Terry Moran. The increasingly crowded skies present new safety worries every week for air travelers. On Friday, a government study revealed t

发表于:2018-12-11 / 阅读(54) / 评论(0) 分类 万花筒2006年

National Railway's Test Become Intellectual Challenge: Ticket Buyers With the Spring Festival Holiday right around the corner, huge numbers of people are already going online, booking train tickets for the most important vacation of the year. However

发表于:2018-12-18 / 阅读(89) / 评论(0) 分类 2015CRI中国国际广播电台

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(89) / 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(84) / 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(50) / 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(96) / 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(86) / 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(72) / 评论(0) 分类 VOA标准英语2012年(十月)

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(61) / 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(84) / 评论(0) 分类 世界各地新闻集锦

With the Spring Festival Holiday right around the corner, huge numbers of people are already going online, booking train tickets for the most important vacation of the year. However, the recently updated image Captcha system on 12306.com, china's one

发表于:2019-01-26 / 阅读(141) / 评论(0) 分类 英语新闻

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(107) / 评论(0) 分类 经济学人综合

Still in Books and Arts; Book Review;A memoir of Nigeria;Madmen on the ground; 文艺;书评;尼日利亚回忆录;尼日利亚游记; Looking for Transwonderland: Travels in Nigeria. By Noo Saro-Wiwa. 《寻找仙境:尼日利亚游记》

发表于:2019-01-26 / 阅读(92) / 评论(0) 分类 经济学人文艺系列

Now what am I going to do with you? Meggie gaped at the tiny thing roaming blindly round Fee's bare skin in search of more hirsute territory, then she began to weep. Without needing to be told, Frank got the copper going while Paddy paced up and dow

发表于:2019-01-29 / 阅读(74) / 评论(0) 分类 荆棘鸟

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(101) / 评论(0) 分类 英文语法词汇

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(77) / 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(99) / 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(97) / 评论(0) 分类 托福英语

Not until Clint had seen all the goats in their pens that night did he rest from his duties. 那天晚上,直到克林特确保所有的山羊都在羊圈里后,他才停止了工作。 After he had eaten his supper in the ranch house, he took up

发表于:2019-02-21 / 阅读(117) / 评论(0) 分类 美国小学英语教材6

I know what you're thinking. You think I've lost my way, and somebody's going to come on the stage in a minute and guide me gently back to my seat. (Applause) I get that all the time in Dubai. Here on holiday are you, dear? (Laughter) Come to visit t

发表于:2019-02-23 / 阅读(57) / 评论(0) 分类 英语语言学习
学英语单词
aazpa
absolute gain of an anfenna
acgm
administration audit
adverse pricing structure
agricultural loader
air battle zone
America's Hat
aretaics
autoradiographing
back spin
back-up master file
barley malt
beam fixed at one end
binato-palmate
black surround
C-HTML
castel bolognese
CCHC
centers for disease control
centers on
control tank
copper oxide
corrected result
Couvet
cranhams
debenture convertible to stock at market price
deferrization
diaphragm baffle
dog dayss
edge scarfer
end of message character
far-southern
fugu-toxin
full-sun
Geranium transversale
glacial soil
group constant
guard ring tocograph
hardware support device
Hepteobarbital
hevens
hypermegalia
image object
imbodies
improvisatrice
in balance
instantaneously repeating communication satellite
internal models approach
investment in
jimtown
Keep the buoy on port side!
knife-edge effect
level densities of nuclei
Listera mucronata
lumber kiln
machine factory
made a name for himself
miles daviss
national grid compang
nativists
neuropsychical
night depositories
nonterminal symbol
nonwatertight bulkhead
North Pacific Ocean
Nuestra Seňora del Pilar
oceanographer
operator command language
ostariophysian
ovarian amenorrhea
overall width
packet interference
parallel dimensioning
patchan
Pean's position
Pennine Range
prescission
primrose hill
protein-coat
pyriform apparatus
rated power of solar array
reverse J-distribution
rollerboards
running gate
sacramentary
scsss-s
sea routes
soil stabilizer
ST_society_emergency-services-in-general
staphyledema
the last of pea time
thiamine propyldisulfide
tramonte
transient laser response
trichophyton mentagrophytes interdigitale
valenzuela
watchpuppy
What Is A Proxy Server?
whomps
wind pressure distribution graph
yellow sheet