分钟间隔连续尿路造影[术]

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(217) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(209) / 评论(0) 分类 数学英语

[ti:UNIT 7 Enjoy Your Hobby Lesson 56:Unit Review] [0:01.051]Unit 7 [0:02.631]Enjoy Your Hobby [0:04.894]Lesson 56: [0:06.943]Unit Review [0:08.907]I. [0:10.231]Building Your Vocabulary [0:12.963]A. [0:14.500]Fill in each blank with the proper word o

发表于:2018-12-10 / 阅读(211) / 评论(0) 分类 河北教育初中英语(初中起点)八年级上

发表于:2018-12-12 / 阅读(150) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(268) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(204) / 评论(0) 分类 2014年ESL之商务英语

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(304) / 评论(0) 分类 数学英语

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(198) / 评论(0) 分类 英语新闻视频

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(243) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(220) / 评论(0) 分类 Scientific American(五)月

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(213) / 评论(0) 分类 Scientific American(十)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(223) / 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(202) / 评论(0) 分类 VOA标准英语2014年(二月)

由于传统的英语教学里面不涉及小作文的内容,所以雅思写作的小作文部分一直是很多同学的软肋。不会说名称,不知如何分析对比,即使有思路却不知如何表达,成为很多同学的问题。下面

发表于:2019-01-18 / 阅读(228) / 评论(0) 分类 雅思英语

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(176) / 评论(0) 分类 阅读空间

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(235) / 评论(0) 分类 英语新闻

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(179) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(160) / 评论(0) 分类 英语听力练习题

By Delia Robertson Johannesburg 23 October 2007 South Africa's rugby world-champion, the Springboks, have returned home to a rapturous welcome following their victory over England at the Rugby World Cup in France. VOA's Delia Robertson reports from J

发表于:2019-02-17 / 阅读(238) / 评论(0) 分类 2007年VOA常速英语(十月)

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(218) / 评论(0) 分类 柯南脱口秀
学英语单词
Almost was never hanged.
antroquinonol
appearance defect
arsenic sinter
atenolol
atlas assimilation
auxiliary levee
bamboo root
benzyl isothiourea hydrochloride
birthhood
british common wealth preference tariff system
brook lamprey
cafe-goers
cardiogenic pain
cefepime
chief administration
circular traditional time
compound chalk powder
compulsory audit
core memory register
cri du chat
cylindrical film recording
development division
dimension vector
ensurance probability of irrigation water
erosion caused by
established principle
Euro-cheques
exciting electrode
exposure-meter for microphotography
for their part
four-bar sentence
fourhorn sculpins
get something out of your system
glass blower's burner
Glazovskiy Rayon
government telephone
gravity maximum
grossbach
hackerspace
hardwood bearing
Hay Lakes
Hermodactylus
heterostracan
if-by-whiskey
incising hammer
jaking
k-force
keep a promise
khanhs
lateral negative space
local stocks
low-salt diets
magnetic compensation
make ends meet
Mate's Remark
material bill
meroblast
microfarad meter
microwave beacon
military services
mounted rotary mower
movable crusher
Muhammad Riza, Pahlavi
multiflying punch
multiple stack annealing furnace
Ollagüe, Vol.
Onsager equation
phospholipoid
photo-electric linefollowing gas cutting machine
pituitaism
pleuropulmonary
principal quantum number
protocol conversion box
re-show
refueling machine of hwr
research information service
rete ovarii
roisins
rougeberries
schizodactyly
segmental static reflex
self-exaltingly
short hundredseight
slam-doors
Sobemovirus group
social turmoil
Sorbsan
standard-gage railway
strap down
subversion
tangible service
tape reading head
Tetracel
toast mastress
top-scores
turned off
two-daier
ulnar wrist pain
visarde
wet end additive