主动脉弓造影

In 1948, the Drexel Institute of Technology in America got a call from a local storeowner asking for help. He wanted the school to invent a machine that would help keep track of inventory as well as speed up the checkout process. Drexel asked two of

发表于:2018-11-30 / 阅读(328) / 评论(0) 分类 常春藤生活英语

[00:00.00]Unit 8 My Toys [00:05.58]1.Listen.Point.Say. [00:19.62]What do you want? [00:23.18]I want the orange ball. [00:27.11]2.Listen.Say.Do the actions. [00:43.45]My toys are in my toy box.I take them out to play. [00:48.89]And when I've finished

发表于:2018-12-13 / 阅读(381) / 评论(0) 分类 新派英语第一册

[00:00.00]Car Accidents Declining in Walton Ci [00:04.39]From the graph,we can see that the number of car accidents in Walton City fluctuated during the year of 199 [00:13.45]It increased in the first three months and decreased in the following three

发表于:2018-12-30 / 阅读(277) / 评论(0) 分类 英语六级听力练习集锦

Graph Search的理念在于,以谷歌搜索引擎发掘互联网信息的方式,发掘Facebook网站社交图谱的含义。Graph Search扩展了Facebook的核心使命:不仅帮助用户与已知的他人建立联系,还能成为一款发现工

发表于:2019-01-05 / 阅读(269) / 评论(0) 分类 英语新闻视频

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

发表于:2019-01-08 / 阅读(313) / 评论(0) 分类 Scientific American(十)月

january sky like a slate wiped clean and stillness of air where nothing has been wait for your word as if to say another last chance lives from today happy new year - the world just keeps turning day into night, night into day holding on tight, milli

发表于:2019-01-11 / 阅读(218) / 评论(0) 分类 金属

By Meredith Buel Washington 25 September 2006 Afghan President Hamid Karzai says the upsurge of narcotics in his country is feeding terrorism and is an embarrassment to the Afghan people. In a speech in Washington, Mr. Karzai also called for Pakista

发表于:2019-01-12 / 阅读(303) / 评论(0) 分类 2006年VOA标准英语(九月)

It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co

发表于:2019-01-14 / 阅读(334) / 评论(0) 分类 VOA标准英语2010年(十)月

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(308) / 评论(0) 分类 VOA标准英语2014年(二月)

英语写作中的常用句型

发表于:2019-01-17 / 阅读(303) / 评论(0) 分类 英语学习方法

第一部分 常用于引言段的句型的2类表达方式 一、议论文常用句型 1. It is a fact that. 2. It is well-known that. 3. There is no doubt that. 4. I think that. 5. Contrary to the popular thought, I prefer. 6. Some people say/belie

发表于:2019-01-17 / 阅读(335) / 评论(0) 分类 实用英语

Australia's most senior, Catholic Cardinal George Pell is less than an hour away now from giving his much chance anticipated video link evidence to the royal commission into child sexual abuse. There was a scuffle between media and security outside t

发表于:2019-01-19 / 阅读(270) / 评论(0) 分类 澳洲ABC新闻快递2016年

The European Central Bank has announced a new stimulus package to boost economic growth in the euro zone. ECB President Mario Draghi cut the banks main interest rate to 0% for the first time. The bank will also increase its increasingly bond-buying p

发表于:2019-01-19 / 阅读(231) / 评论(0) 分类 澳洲ABC新闻快递2016年

Happy New Year--Arco january sky like a slate wiped clean and stillness of air where nothing has been wait for your word as if to say another last chance lives from today happy new year - the world just keeps turning day into night, night into day ho

发表于:2019-02-02 / 阅读(182) / 评论(0) 分类 好听的英文歌曲

这个来自伦敦的三人团体,与美国ARCO石油公司并无联系。Arco,只是一个音乐符号,用来告诉那些弦乐演奏者们回归到弓的使用上来,而不要一味强调手指的运用。这样优雅的转移从某些方面很

发表于:2019-02-11 / 阅读(181) / 评论(0) 分类 好听的英文歌曲

(一)段首句1. 关于人们有不同的观点。一些人认为There are different opinions among people as to ____ .Some people suggest that ____. 2. 俗话说(常言道),它是我们前辈的经历,但是,即使在今天,它在许多

发表于:2019-02-17 / 阅读(333) / 评论(0) 分类 四六级写作指导

(一)段首句1. 关于人们有不同的观点。一些人认为There are different opinions among people as to ____ .Some people suggest that ____. 2. 俗话说(常言道),它是我们前辈的经历,但是,即使在今天,它在许多场合仍

发表于:2019-02-17 / 阅读(474) / 评论(0) 分类 四六级写作指导

Jobs and Catmull decided that, in order to show off their hardware and software, 乔布斯和卡特穆尔决定,为了展示皮克斯的硬件和软件, Lasseter should produce another short animated film in 1986 for SIGGRAPH, the annual computer

发表于:2019-02-22 / 阅读(307) / 评论(0) 分类 乔布斯传

1. in + 月/ 年 2. between and 3. from to 4. over the period from to 5. in the year between and 6. in the 3 years spanning from 2001 through 2004 7. for the first 3 months 8. for/ during/ over the next / following 6 months 9. for/ during/ over / in

发表于:2019-02-26 / 阅读(281) / 评论(0) 分类 雅思英语

Republicans in the US Congress have come out strongly against President Obama'splan to close down the Guantanamo Bay detention center in Cuba. The proposal would transfer some of the detainees overseas and others to prisons in the United States. A Re

发表于:2019-03-04 / 阅读(323) / 评论(0) 分类 中英双语新闻
学英语单词
a store of value
abieninic acid
admissible centre
air odor
angle steel straightening machine
apinothalamic
arcevias
Asterina
baked smoked ham
basal metabalism
bearing diagram
beelines
carbon resistance rod
cash-generatings
characteristic of spray amount
circumrotates
clearance of passenger
close row planter
colour photometer
combinatory transmission
conventional significance level
correlation
cratchits
d-ore
decimal coinage
degree of monopoly
den-talization
dial scalel
diametrically opposed
diastatic value
Diphentoin
discomboberated
dog cart
Eider River
electronic computation technology
Farabeuf's triangle
ferment fever
Fischer-Riesz theorem
flash cut
fractional currency
genus fomess
guttles
healthdyne
hilus nuclei dentati
ice saints
in water-stressed conditions
information-processing capability
instance space
know what is what
krickeberg
L-Lysine-lactamase
lcsw
longitudinal stability lever
mathematical proof
measure isomorphic
meliola palmicola
microbid
minute quantity
montant
more enough
murder on the orient express
nonprincipal
optimal task scheduling
partially sighted
petty-bourgeoisies
Phonola
photomask materials
pickeering
pipe vine
Plica aryepiglottica
post scriptum
preoperculars
process I-O
propadienes
prorogates
protoceratopss
purposedly
ray-ray
reaction center
recovery of storage battery
refires
relative probability
remikiren
right and wrong
river cascade project
Russell's method
sawr-
sege
self-complacent
semilogarithmic
solvation effect
somatic condition
spud can base
swivel davit
talk shop
trimethylating
trinoda
uranos
vapo(u)r space
werfs
youla
zygogenesis