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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(四)月

From VOA Learning English, this is the Health Lifestyle report. Nearly 790 million people around the world do not get enough to eat. Most of them live in developing countries. Many parts of the developing world do not have transportation systems in p

发表于:2019-01-02 / 阅读(117) / 评论(0) 分类 2017年VOA慢速英语(六)月

By Melinda Smith Washington 24 April 2007 One of the largest groups of milk producers in the United States has set an August first deadline for its members to stop treating their cows with a growth hormone, or pay more to get their milk to market. Th

发表于:2019-01-06 / 阅读(133) / 评论(0) 分类 2007年VOA标准英语(四月)

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(54) / 评论(0) 分类 Scientific American(九)月

By Barry Newhouse Islamabad 24 October 2007 Pakistan's military says it has sent more than2,000 paramilitary troops to reinforce security forces in Swat district, a stronghold of pro-Taliban groups in the country's northwest. VOA's Barry Newhouse rep

发表于:2019-01-10 / 阅读(58) / 评论(0) 分类 2007年VOA常速英语(十月)

By Michael Bowman Washington 19 May 2008 A Washington-based business group says the U.S. economy remains sluggish, but will likely avoid a major recession. VOA's Michael Bowman reports. The last two U.S. recessions, in the early 1990s and in 2001, sa

发表于:2019-01-13 / 阅读(86) / 评论(0) 分类 VOA标准英语2008年(五月)

Olive oil is 100% fat; there's nothing else in it. 橄榄油含有100%的脂肪,除此之外没有别的。 Pancake mix, on the other hand, is only about 11% fat. 相反,煎饼只有约11%的脂肪。 And, yet, olive oil is good for you, and panc

发表于:2019-01-17 / 阅读(72) / 评论(0) 分类 TED演讲教育篇

By Barry Newhouse Irbil 10 June 2007 Trucks loaded with military equipment are seen heading towards the border with Iraq near the southeastern Turkish city of Nusaybin, 01 Jun 2007 Iraqi Kurds living near the Turkish border continue to report regular

发表于:2019-01-25 / 阅读(134) / 评论(0) 分类 2007年VOA标准英语(六月)

AGRICULTURE REPORT - Scientists Clone Pigs to Make Omega-3 Fatty AcidsBy Mario Ritter Broadcast: Tuesday, April 04, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Scientists s

发表于:2019-01-30 / 阅读(71) / 评论(0) 分类 2006年慢速英语(四)月

By Peter Heinlein United Nations 14 July 2006 Lebanon has accused Israel of 'barbaric aggression' in its current military offensive, and called on the U.N. Security Council to declare a cease-fire., Israel rejected the criticism, and charged Lebanon

发表于:2019-01-31 / 阅读(136) / 评论(0) 分类 2006年VOA标准英语(七月)

By Steve Herman New Delhi 26 February 2008 India's prime minister and defense minister are among the top government officials who are to meet in New Delhi with U.S. Defense Secretary Robert Gates. VOA correspondent Steve Herman reports from the India

发表于:2019-01-31 / 阅读(43) / 评论(0) 分类 VOA常速英语2008年(二月)

The United States and Vietnam have discussed possible U.S. sales of weapons and spare parts to Vietnam, as well as American military help with disaster relief and a range of other issues. The two nations' first strategic dialogue on political, defen

发表于:2019-02-05 / 阅读(117) / 评论(0) 分类 VOA标准英语2008年(十月)

By Benjamin Sand Islamabad 10 July 2007 Pakistani paramilitary troops take position during heavy gunbattle with militants at Lal masjid, or Red Mosque, 10 July 2007 Pakistani security forces have launched a military assault on militants holding Islam

发表于:2019-02-05 / 阅读(160) / 评论(0) 分类 2007年VOA标准英语(七月)

Analysts and U.S. officials say American pressure on Pakistan over counterterrorism policy has strained the relationship between that country's government and its military. As VOA Correspondent Gary Thomas reports, the two camps differ over how much

发表于:2019-02-08 / 阅读(51) / 评论(0) 分类 VOA标准英语2008年(十月)

BEIJING, Dec. 18 (Xinhua) -- Some 12.02 million new jobs were created in the first 11 months this year, which has already beat the annual target of 9 million, according to the Ministry of Human Resources and Social Security (MHRSS) Tuesday. The urban

发表于:2019-02-09 / 阅读(93) / 评论(0) 分类 英语新闻

You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long

发表于:2019-02-09 / 阅读(139) / 评论(0) 分类 英语小短文

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起,就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

发表于:2019-02-17 / 阅读(47) / 评论(0) 分类 万物简史

By Ravi Khanna Washington 18 December 2007 Al-Qaida's second-in-command, Ayman al-Zawahiri, Monday said the United States was failing in its efforts to subdue militants in Iraq. And in a tape released on the internet, Osama bin Laden's deputy told an

发表于:2019-02-17 / 阅读(72) / 评论(0) 分类 VOA常速英语2007年(十二月)

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说,每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(324) / 评论(0) 分类 阅读空间
学英语单词
A new broom sweeps clean.
Anastress
anyf
archaeo-
Assemb.
Aundh
Bardenheuer's extensioin
bituminous primer
bladder campions
Blastophylle
blouze
bolbitis virens compacta
bullhorns
central random variable
centralized purchasing
chromosomal integration site
cnizocoris shirakii
combined nevus
common xanthoma
Confidential submission
cop and heel
coupling cock
criminal personality
crith
Cuebe
decloak
depersonalisation disorder
despreads
donor to acceptor recombination
double adiabatic approximation
duliophyle agitata taiwana
East Indian coral tree
educators
Entericoccus
expanding volume
family callithricidaes
family Coraciidae
feather-brained
Feiss' line
flatwound
float contact
flutterboards
force filed
gallichons
gazumped
George Szell
graph colouring technique
gravelotte
hard elastic fibre
harp
hirundapus caudacutus caudacutus
idle block
indirect consumption tax
intrinsic (al)
kapows
kneetop
Lathyrus japonicus
liquor pituitari
Mansa Konko
Margut
mcanulty
megavolt ampere
mistleys
mo acidity
muscular pseudohy-pertrophy
National Art Gallery
non directional
octeracts
oil pumping unit
one position adder
osteopathology
over-blouse
palinopia
pollutant concentration
posaconazole
postanastomotic duodenal fistula
public intermediate goods
quartz wool sheet
real value assets
Santa Isabel
saponifying agent
seismological
shifting tax
shorey
snup
specias
spongier
SRSV
straddle packer
substantivizing
surface emitting laser
talipot palm
temperance movement
terps
tetracubes
thunniform
toloxatone
trachiobronchitis
training tables
trichomania
year out
yu(yu-shih)