温度变形

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(250) / 评论(0) 分类 新东方背诵文选

Computer Simulations Might Predict Future Earthquakes 电脑模拟能够预测未来地震 Geologists say they knew a large earthquake was coming in South Asia, but they did not know when. The Himalay

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 VOA2005(下)--环境科学探索

Leading the news this morning It seems Labor's woes aren't only confined to Queensland.The latest news poll shows the gap between the two parties preferred vote has widened to 14,with coalition sitting on 57%.The ALP's primary vote has slipped three

发表于:2018-12-11 / 阅读(85) / 评论(0) 分类 澳洲ABC新闻快递2012年

I'm John Berman, sitting in for *, welcome to the 360 podcast. Convicted of trying to kill three people but not actually killing a fourth. Michael Doug raise a justice. Let's get started. It was a shocking crime. It started as a disagreement over lou

发表于:2018-12-19 / 阅读(93) / 评论(0) 分类 CNN2014年(二)月

Every two weeks, on the full and new moons, the sun, moon and Earth fall along a nearly straight line. The combination of gravitational forces in this arrangement creates large swings in the tides. But the celestial alignment affects more than the oc

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 2016年Scientific American(九)月

...Africa. The African plate has been drifting north over millions of years. And when it pushes against the European plate, huge fold s of rock have been forced up and over one another into great moun

发表于:2019-01-02 / 阅读(186) / 评论(0) 分类 欧洲自然写真

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(十二)月

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(141) / 评论(0) 分类 英语杂谈

By Gilbert da Costa Abuja 27 June 2006 Lawal Manesara who is a polio victim rides on a skate board along a street of Lagos, Nigeria Nigeria is to launch an ambitious immunization strategy to halt the spread of polio in Africa's most populous country

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 2006年VOA标准英语(六月)

The deputy head of Ingushetia's Supreme Court has been shot dead in the latest incident of violence to hit Russia's troubled Caucasus region. The assassination of Justice Aza Gazgireeva follows a recent high profile killing in neighboring Dagestan,

发表于:2019-01-13 / 阅读(88) / 评论(0) 分类 VOA标准英语2009年(六月)

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(119) / 评论(0) 分类 VOA标准英语2010年(十)月

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Mil

发表于:2019-01-20 / 阅读(109) / 评论(0) 分类 2014年Scientific American(八)月

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

发表于:2019-01-20 / 阅读(91) / 评论(0) 分类 2014年Scientific American(八)月

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

发表于:2019-01-20 / 阅读(109) / 评论(0) 分类 2014年Scientific American(八)月

1. Russians 1、俄罗斯人 Scientists still cannot agree on their origins and answer the question when Russians became Russian. The ancestry of Russians were sought among Normans, Scythians, and Sarmatians, and even the South Siberian Usuns. 俄罗斯

发表于:2019-02-01 / 阅读(91) / 评论(0) 分类 阅读空间

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(171) / 评论(0) 分类 VOA常速英语2008年(二月)

The Zika virus outbreak in Latin America could be a bigger threat to global health than the Ebola epidemic that killed more than 11,000 people in Africa. That's according to several public health experts who spoke with the Guardian and Examiner newsp

发表于:2019-02-08 / 阅读(126) / 评论(0) 分类 英语新闻

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(157) / 评论(0) 分类 实用英语

本期内容: The World Health Organisation warned that Zika, a mosquito-borne virus linked to brain deformation in human fetuses, is likely to spread to every country in the Americas except Canada and Chile. Brazil has reported 3,893 cases of micr

发表于:2019-02-20 / 阅读(110) / 评论(0) 分类 夏说英语新闻晨读

英语单词快速记忆法丛书(2)

发表于:2019-02-26 / 阅读(448) / 评论(0) 分类 英文语法词汇
学英语单词
a.f.l.-c.i.o
amprey
arcc
automatic ship class notation
backmarsh
botvin
by intention
celebret
certified invoice
charpoy
chens
choked ballast
coexpression
coil-over
colquhouns
commercial pedestrian street
complicating
constant speed unit
copropraxia
copulatory opening
corda
cotton paper
coyotillo
dishearting
elea (velia)
electrically erasable read-only memory
emergency power system
endothecium
engineering support system
enjoinments
ericineous
eye nuts
Fauquembergues
fenamifuril
flushing excess regenerant from the resins
folding door hardware
force per unit volume
functional-block diagram
galvanized stitching flat wire
goddesslings
hexadecylenedioic acid
impedance respiratory frequency transducer
impedimentum
interior designer
izanami curtispina
Kajakī, Band-e
Kermit
khel(l)in
lithographic platemaking
longuet
malscre
meat rod
microcytosis
mule hide
multi scale
multi-parts
narrative art
neurasthenia
node (in organization of data)
noreiga
nuclear level
Oikopleura
one-dimensional memory organization
open-and-shuts
optional facility
optionholder
order Cycadofilicales
organization for trade cooperation
osteosclerosis disseminata
outcrier
Pierre Samuel
polar-opposite
polyesterifications
primary vision
put a force upon
quitclaims
rack something up
remolding sensitivity
retrahens
reversecurrent cut-out
Reynolds number
roaring boy
rombe
royal economy
safe-deposit boxes
sclerencephaliasclerencephaly
scopia dulcis
semichiral
step-up formula
stiffner
substantiator
subterranean economy
sunoco
to nourish
trifluorochloromethane
udalmen
vertical centring
vincula lingul? cerebelli
Vodice
wakatipu l.
wood buffalo national park
zophoessa dura neoclides