唯一的限制条件;唯一的约束

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(188) / 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(126) / 评论(0) 分类 考研英语长难句讲解

I am nature's greatest miracle. Since the beginning of time never has there been another with my mind, my heart, my eyes, my ears, my hair, my mouth. None that came before, none that live today, and none that come tomorrow can walk and talk and move

发表于:2019-01-02 / 阅读(166) / 评论(0) 分类 精美英文欣赏

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(223) / 评论(0) 分类 2017年VOA慢速英语(十)月

Back in the 1980s and 90s, the city of Mostar in Bosnia-Herzegovina was a scene of civil war, between the Catholic Croates on the west side of town and the Muslim Bosniacs on the east side. The two groups coexist today, but as you could imagine it's

发表于:2019-01-08 / 阅读(247) / 评论(0) 分类 2005年NPR美国国家公共电台

Low-cost airlines have changed the travel business. Carriers like Southwest and Jetblue serve fewer cities than traditional airlines and offer fewer perks to passengers. They force the bigger carriers like United and Delta to change their business pr

发表于:2019-01-08 / 阅读(339) / 评论(0) 分类 2005年NPR美国国家公共电台

By Joseph Mok Mullinville, Kansas 10 January 2008 Driving by Highway US-400, west of the small town of Mullinville, Kansas, visitors are greeted with hundreds of metal sculptures, flapping and twirling against the blue sky on the prairie. For produce

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 VOA标准英语2008年(一月)

我是自然界最伟大的奇迹。 I am nature's greatest miracle. 自从上帝创造了天地万物以来,没有一个人和我一样,我的头脑、心灵、眼睛、耳朵、双手、头发、嘴唇都是与众不同的。言谈举止和我完全一样的人以前没有,现在没有,以后也不会有.虽然四海之内皆兄弟,然而人

发表于:2019-01-17 / 阅读(209) / 评论(0) 分类 白领英语晨读

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(202) / 评论(0) 分类 经济学人综合

By Jessica Berman Washington 10 April 2008 An international team of scientists has conducted an exhaustive survey of Madagascar's thousands of endangered plant and animal species. The information will be used to protect the creatures and vegetation t

发表于:2019-01-31 / 阅读(131) / 评论(0) 分类 VOA常速英语2008年(四月)

By Kurt Achin Seoul 21 November 2007 Advocacy groups are criticizing South Korea for abstaining from a United Nations resolution that expressed concern over human rights abuses in North Korea. The South's decision to abstain comes a year after Seoul

发表于:2019-01-31 / 阅读(122) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Steve Herman New Delhi 20 December 2007 Espresso drinkers are losing what critics praise as one of the world's best certified organic robusta coffees. The government of Kerala state has refused to extend the lease on the land where the rare beans

发表于:2019-01-31 / 阅读(181) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(164) / 评论(0) 分类 阅读空间

By Kane Farabaugh New York City 01 August 2007 During the Cold War, Greenland was a strategic location for the United States military to track and detect Soviet aircraft and ballistic missiles. The military established radar and tracking sites throug

发表于:2019-02-03 / 阅读(202) / 评论(0) 分类 2007年VOA标准英语(八月)

今天我们要学的词是unique。 Unique, 独特的。 A unique opportunity, 少有的机会。 A unique style, 别具特色的风格。圣诞节一大早,是孩子们拆礼物的好时候。 Parents are all looking for that unique Christmas gif

发表于:2019-02-04 / 阅读(123) / 评论(0) 分类 英语每日一词

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(195) / 评论(0) 分类 英语新闻

今天我们要学的词是unique。 Unique, 独特的。 A unique opportunity, 少有的机会。 A unique style, 别具特色的风格。圣诞节一大早,是孩子们拆礼物的好时候。 Parents are all looking for that unique Christmas gif

发表于:2019-02-13 / 阅读(122) / 评论(0) 分类 英语单词荟萃

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(166) / 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(182) / 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(153) / 评论(0) 分类 实用英语
学英语单词
a worker bee
adrenergic block
afferent pathway
afternoon servicing
alliumoside
artificial tween deck
Arvagh
aulopiform
be startled at sth
body sensor network
bottom bearing operation
bus tie switch
By clause
CG/OQ
chivvy
colo(u)r analyzer
commissural vessel
condensate stripper
coralliform
counter current regeneration
criticking
curney
customer based
desistors
direct ionization
disk access
double coincidence of wants
dysurias
elaphe taeniura friesei
ergocriptine
expansion washer
fall shoot
fluorescigenic
formal data-base query
Fresnel formula
Garajonay
genus Convallaria
gibowski
gravo-
guarantee price
hatlessly
have sth at heart
hybrid product
Illschwang
interlicked
iritis papulosa
lacunar tonsillitis
light hydrogen
madhavans
mahadevite
malakichthys barbatus
mandatory rule
Marry in haste, and repent at leisure
Mashegu
master flip-flop
mechanism of national defence economy
microbial enzymes
moeling
mounting deck
murphy-sturm lymphosarcoma
nephrotuberculosis
neurasthenic neurosis
non-solicitation
nondiminishment
nonrelativistic classical mechanics
nymphette
oaktags
odiids
orthogonal comparison
ostaras
ovist
paint industry
pep-ups
phase state low electron drive memory
piedraia
plasma stripper
plurisubharmonic function
post project evaluation
pulling unit
remote sensing expert system
restriction screw
Revolutionary Armed Forces of Colombia
Salix faxonianoides
screen unit
secondary connection
semianechoic
session man
shish-kebab morphology
Smithorchis calceoliformis
spasmogen
stretched ppi
sulfuric acid manufacture
superficies pathogens involving interior
supplementary twins
system of assigning crew to desig-nated locomotive
trypanothione
uninterrupted power system for computer
variable phase shifter
violin makers
war driving
woodstone
zingiberine