un. 无维稳定性

Looking Into Your Brain Just Became Easier Researchers and engineers keep improving the machines that help doctors better understand and diagnose conditions that affect our brains. One of the goals is to find causes of Alzheimers and Parkinsons disea

发表于:2018-12-16 / 阅读(105) / 评论(0) 分类 VOA标准英语2016年(六月)

文本: Take this cabinet, for example, as a statementof wealth, it's the 18th-century equivalent of a Ferrari in your drive. Andthese decorations are made from pietra dura. In Italian, that means hardstone. It's one of George's favourites. And it'

发表于:2018-12-26 / 阅读(148) / 评论(0) 分类 跟着英剧练发音

Doctors Have a New Tool to Identify Breast Cancer Breast cancer is the most common cancer in women worldwide. Early discovery and treatment can save lives. Scientists are working new ways to recognize breast cancer while at the same time studying exi

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 2018年VOA慢速英语(一)月

As the richest man in the world, Bill Gates is no stranger to success. 作为这个世界上最富有的人,比尔盖茨对成功并不陌生。 So when the billionaire tech mogul and philanthropist offers insight or advice, it's smart to listen. 所

发表于:2019-01-03 / 阅读(114) / 评论(0) 分类 实用英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you have a dog, you know you gotta walk it. But do you know how it walks? Well, if you have no idea which foot Fido puts forward when, youre in good c

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 Scientific American(二)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(149) / 评论(0) 分类 Scientific American(十)月

3-D Technology Saves Lives 3D技术拯救生命 From VOA Learning English, this is the Health Report. Three-dimensional technology -- known as three-D -- gives depth to objects that would otherwise appear two-dimensional, or flat. Three-D makes movie

发表于:2019-01-12 / 阅读(114) / 评论(0) 分类 2014年VOA慢速英语(七)月

Scientists Developing Technology to Recreate Crime Scenes 科学家利用科技还原犯罪现场 Police and prosecutors sometimes recreate crime scenes in an effort to better understand complex cases. They may set up a room to make it look like the

发表于:2019-01-12 / 阅读(92) / 评论(0) 分类 2015年VOA慢速英语(六)月

Internet-Connected Refrigerators and Stoves? 与互联网连接的冰箱和炉灶 The Consumer Electronics Show is held yearly in the western American city of Las Vegas, Nevada. It is one of the largest technology shows in the world. Technology compa

发表于:2019-01-12 / 阅读(86) / 评论(0) 分类 2015年VOA慢速英语(一)月

请看相关报道: Quick Response codes(QR code) have been used in advertisements for years, and a handful of American funeral homes began attaching them to gravestones in early 2011. 快速回应码在广告界已经使用好几年了,有一部分

发表于:2019-01-18 / 阅读(130) / 评论(0) 分类 英文语法词汇

And then our mothers tell us, Careful you don't fall down, because you'll fall over. 然后母亲告诉我们,没有跌倒也要小心,因为你还会掉下来。 Now, go into the real atmosphere of this planet. 现在,进入这个行星真正的

发表于:2019-01-18 / 阅读(131) / 评论(0) 分类 TED演讲娱乐篇

Well, it's the relative importance. 就是二者间的相对重要性。 You would say-yeah, yeah, yeah, we all know this;water covers twice the area of the planet than dry land. 也许你会说,是,是,是,我们都知道,地球上水覆盖的

发表于:2019-01-18 / 阅读(98) / 评论(0) 分类 TED演讲娱乐篇

今天我们要学的词是stability。 Stability, 是稳定的意思。Political stability, 政治稳定;economic stability, 经济稳定。时代周刊2007年的年度人物是俄罗斯总统普京。时代周刊对普京的评价是,He stands,

发表于:2019-01-26 / 阅读(108) / 评论(0) 分类 英语单词荟萃

Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy

发表于:2019-01-30 / 阅读(164) / 评论(0) 分类 60秒科学

Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. 来自中佛罗里达大学(UCF)的科学家已经创造了一个超级电容电池

发表于:2019-02-02 / 阅读(94) / 评论(0) 分类 英语新闻

China UnionPay, the national bankcard association, last Monday launched its own application and security standard for two-dimensional barcode payment. 全国性银行卡联合组织中国银联于上周一推出了自己的二维码支付应用和安全

发表于:2019-02-04 / 阅读(260) / 评论(0) 分类 英语新闻

2009年的一部3D大片《阿凡达》让很多人都记住了avatar这个词。在网络上搜索这个词,出来的结果大部分也都跟这部电影有关。其实,avatar并不是导演造的一个词,它在印度教中指圣人的化身。

发表于:2019-02-06 / 阅读(129) / 评论(0) 分类 英语口语

By Luis Ramirez Bangkok 17 September 2007 One year has passed since the Thai military overthrew the government of Prime Minister Thaksin Shinawatra on grounds it was corrupt. The interim government is making good on promises to return the country to

发表于:2019-02-07 / 阅读(158) / 评论(0) 分类 2007年VOA标准英语(九月)

An employee carefully scans a man standing still behind two photographic lamps with a gun-like scanner in his hand. The whole process takes approximately 10 minutes. After loading the data into the computer, the rest work is left to the 3-D printing

发表于:2019-02-14 / 阅读(126) / 评论(0) 分类 英闻天下

So I'd like to propose that we can combine those two worlds, that we can combine the world of the nanoscale programmable adaptive materials and the built environment. 所以我建议把这两个世界结合起来,把纳米级上可程序化、能自我

发表于:2019-02-21 / 阅读(90) / 评论(0) 分类 TED演讲教育篇
学英语单词
accompliss
Acer yangbiense
aerodynamic equivalent diameter
Albaret-le-Corntal
allowed int evidence
angulating
arguendo
audio bridge
be classified as
binary divider stage
butcher-shop
Carajás, Sa.dos
clinical data
coarse-filter
cohomology class
common valerians
conjugate triangles
consolidated industrial and commercial income tax
cost clause
coupled system
cover actuator
dateabase services
decorating firing kiln
dehorting
drill ga(u)ge
Eupenicillium
finger tight
flame r resistant polyester resin
fracting
Frejlev
frequency change-over switch
grand ducal
granulating mill
guglielmi
halopropane
handeliobryum
harsh browns
have-nots
Hineston
igneous salt
inboilertreatment
injusto
internal focusing telescope
interval transit-time
Ito stochastic integral
jacket-and-tie
kaputz
Kirchwistedt
light spot DC voltmeter
line basinasal
lorenze
loss-of-load accident
make fun
man minute
matched sample
Matsudaira Sadanobu
maximum daily yield
mosfet shift register cell
mycellas
nerdboys
no class
normal vertical deflection
octadecanedicarboxylic acid
octet
oil deposits
on-airs
overcapacity punching
pay rises
PCI e
photochemical system
plaster work
political tempest
polyvinyl chloride tube
prestoring
Procabacteriales
protocol identifier
psychological value
pulse-repetition frequency
put salt up on someone's tail
Pātipukur
repulsion phase
rocastle
root to the ground
sandwich-type panel
short dozens
silicone rectifier
skin or surface dose
slinkster
smatchet
subperiosteal anesthesia
swelme
synchronous transmit/receive
Tauapecacu
tenormins
termitophilous
thecal
tidal water
total delivery head
us -spattered
video cartridge
vitrified clay
wide-format