因次单位

by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t

发表于:2018-12-07 / 阅读(69) / 评论(0) 分类 数学英语

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(72) / 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(73) / 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(66) / 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(63) / 评论(0) 分类 实用英语

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(107) / 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(83) / 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(57) / 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(53) / 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(98) / 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(99) / 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(59) / 评论(0) 分类 TED演讲娱乐篇

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(131) / 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(64) / 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(215) / 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(96) / 评论(0) 分类 英语口语

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(86) / 评论(0) 分类 英闻天下

台湾籍旅美老师今天交给我们的句子是: We start with a digital, 3 dimensional model of the object we'd like to 3d print in sugar. 我们一开始先画出想用糖3D打印的立体数字模型。

发表于:2019-02-14 / 阅读(51) / 评论(0) 分类 留美老师带你每日说英文

In an attempt to draw everything together, physicists have come up with something called superstring theory. This postulates that all those little things like quarks and leptons that we had previously thought of as particles are actually stringsvibra

发表于:2019-02-17 / 阅读(56) / 评论(0) 分类 万物简史

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(55) / 评论(0) 分类 TED演讲教育篇
学英语单词
access privilege
after deck house
albach
alkali resistant cement concrete flooring
allowable steering error
analyticality
Andromeda galaxy
auxin
Babcock-Levy test
be fast stuck in the mire of
biofunctionability
books of deuteronomy
bore to tear
bottones
branch always command
Bronllys
building property title certificate
caravelle
Certificate of Measurement andor Weight
checkovers
cloakings
cloth print
collecting pipe
commander psychology
cylindrical lathe cutting
deris
diffraction fringe
druick
dry astringent eye
dwarf chinkapin oaks
dynamical symmetry
extensive structure models
fa las
flange hub
flysch formation
foot mat
free-standing insert
from the very nature of the case
full depth welding
full-blown
general-purpose instruction
Godavari River
greenblatts
group center exchange
heave a sign of relief
high sticks
hold brief for sb.
immunocomplex
instant picture
jibber
juvenscence
Knobby Hd.
Kriti, Nisos
labilest
lands on
lechwallen (sweden)
london-area
long-vowels
magnetic force driving pump
Mascarene Is.
metiazic acid
millfield
Mogor Hal
N-acetylgalactosamine dipho-sphouridine
nervus radialis
noise shielding
non-convertible bond
nonflow system
order Pezizales
path attenuation
pay the Cain
Peninga
phonosemantically
piercel
pineal body
powters
product mix problem
purple fringeless orchids
rate of flow of kinetic energy
resident status
ribin
self-purification of waters
service path
shared batch area
silk market
Sisoazcini
solar cell support
spiral tungsten cable
squaimous
stabber
standard output function
Sugru
sulfur coal
super juice extractor
Tamarix juniperina
texturable
track radar
Ubisch body
unself-consciously
vertical off-normal spring
vortigern
white-knuckles