[计] 人为限制, 假限制

Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history

发表于:2018-12-02 / 阅读(525) / 评论(0) 分类 2007年NPR美国国家公共电台

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(551) / 评论(0) 分类 创新英语

'Part-Time Scientists' Try to Put Vehicle on Moon 兼职科学家为将探测车送上月球进行竞争 Sixteen teams from around the world have set their sights on the moon. The teams are also hoping to win the $30 million Lunar XPRIZE. Google, the

发表于:2018-12-16 / 阅读(390) / 评论(0) 分类 2015年VOA慢速英语(九)月

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

发表于:2018-12-16 / 阅读(403) / 评论(0) 分类 VOA标准英语2015年(一月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

发表于:2018-12-24 / 阅读(492) / 评论(0) 分类 Scientific American(十一)月

19.On the contrary,constraints on improving productivity I explain why education isn't developing more quickly there than it is. 【分析】多重复合句。句子主干是constraints explain...。介词短语on improving productivity是constraints的

发表于:2018-12-30 / 阅读(396) / 评论(0) 分类 考研英语长难句讲解

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(580) / 评论(0) 分类 60秒科学

The Philippines appears to be seeking a return to stronger economic relations with the United States. Experts say the change may be designed to balance the Philippines increasing dependence on China. The Philippine Department of Foreign Affairs said

发表于:2019-01-03 / 阅读(504) / 评论(0) 分类 2017年VOA慢速英语(十)月

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(525) / 评论(0) 分类 VOA标准英语2011年(四月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(466) / 评论(0) 分类 VOA标准英语2011年(二月)

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

发表于:2019-01-19 / 阅读(491) / 评论(0) 分类 VOA常速英语2008年(二月)

Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗? Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上,但它的清洁能源形象却受到质疑 M

发表于:2019-01-26 / 阅读(550) / 评论(0) 分类 经济学人综合

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前,The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

发表于:2019-01-30 / 阅读(390) / 评论(0) 分类 英语单词荟萃

Innovation. Its easy to talk about it its probably one of your departments key goals or built into your companys mission statement but its not so easy to do. Its even harder to make it a habit in your day-to-day workflow. As an innovation consultant

发表于:2019-02-02 / 阅读(468) / 评论(0) 分类 阅读空间

ANKARA, April 17 (Xinhua) -- The decision of Turkey's central bank to shave the main interest rate off by 50 basis points was seen by analysts as a bid to stimulate growth. Domestic demand was weak and the bank wanted to provide stimulus to the econo

发表于:2019-02-05 / 阅读(504) / 评论(0) 分类 英语新闻

Artificial Speech Mimics Real Thing 合成声音发展渐入佳境 未来虚拟声音真假难辨 At a University of Arizona laboratory, Professor Brad Story analyzes the voices of singers, actors and public speakers both live and on audio tape. 在亚

发表于:2019-02-12 / 阅读(546) / 评论(0) 分类 VOA标准英语2011年(十一月)

Finance and Economics Anthony Atkinson: For Poorer, For Richer 财经:安东尼阿特金森:为了穷人,为了富人 Anthony Atkinson, a great British economist died on January 1st, age 72. 安东尼阿特金森,英国伟大的经济学家,

发表于:2019-02-17 / 阅读(444) / 评论(0) 分类 经济学人财经系列

WASHINGTON, Feb. 14 (Xinhua) -- U.S. base defense budget(预算) -- excluding the cost of the wars in Iraq and Afghanistan -- for the next fiscal year rises to a new record despite a significant(重大的) reduction in overall federal spendin

发表于:2019-02-18 / 阅读(446) / 评论(0) 分类 英语新闻

D 打白条 issue IOU 大额存单 certificate of deposit(CD) 大额提现 withdraw deposits in large amounts 大面积滑坡 wide-spread decline 大一统的银行体制 (all-in-one)mono-bank system 呆账(请见坏账) bad loans 呆账准

发表于:2019-02-18 / 阅读(415) / 评论(0) 分类 实用英语

Members of the lower house of Congress in Brazil are voting on whether to approve impeachment proceedings against President Dilma Rousseff. With nearly half of votes cast, her opponents are leading by a wide margin. The opposition must win 2/3 of the

发表于:2019-02-21 / 阅读(523) / 评论(0) 分类 中英双语新闻
学英语单词
AC yoke magnetization
aerospace weapon
apostatism
Appalachian English
Apsheronskiy Rayon
auxiliary lever
axps
BNPA
boulardii
brevicaulis
caked depositing machine
capillary refills
chlorine residue
clodumars
closed region
collateral vascular bundle
constitutive relation
coordinate index
craniomalacia
cremnophobia
cross-partition
digital anemometer
discrete transfer function
disgracedness
disgustant
distress
dry tube mill
enterfere
epencephalic
exwharf
fair-faced concrete
fall like flies
fatalness
ferrament
flexible hours
fontainebleus
genus Najas
ghost-townish
gladstones
ha-adam
haereditas
Hamito-Semitic linguistics
hand's-breadth
have mercy on
hydro-leveling device
hydroxybenzenes
indanthrene dyes
initial step
intermediate negative carry
iron flask
iron stove
isocost line
isotropy
Jennerian vaccine
lehel
Lesser's tests
license duplicate
lynesfienol
maigari
market-day
marmolosin
metalworking machine
moment series
mucking out
mutagenic agent
nailable floor
nicking and breaking
non-metallic film
nystagmus-myoclonus
Olsen ductility test
osipovich
overdraft rate
paddock grazing method
portable syntax
power range detector
pulsed-light system
quiet experimental STOL aircraft
r-rating
re-frozen
rheological characteristic
rubiss
Rudolph Hess
run-time property
sarcotom
Sargonid
seebeck coefficient
slowfood
sodium peroxyuranate
Spreckelsville
suction filter
surcloying
tele processing system
teterrimous
tutoyer
Tyachiv
Tyler standard sieve
upon on the spot
Uznach
visual radio direction finder
welding process
yoshiaki
zinc-manganese dioxide cell