【材料学】玻璃态—橡胶态转变温度

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(262) / 评论(0) 分类 新东方背诵文选

Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然:室温下把一些冰块放入水中,

发表于:2018-12-28 / 阅读(131) / 评论(0) 分类 初学者听力文摘精选

How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a

发表于:2018-12-31 / 阅读(81) / 评论(0) 分类 英语听力文摘 English Digest

Grammar Girl here. Today, Bonnie Trenga will help us choose better transition words. This article could make you a tad hungry, because today were comparing the art of writing to the art of making a sandwich. In fact, just for today, we might need to

发表于:2019-01-02 / 阅读(131) / 评论(0) 分类 英语语法 Grammar Girl

In 1963, President John Kennedy gave a famous speech at American University. In the speech, Kennedy said the following lines: Our problems are manmade; therefore, they can be solved by man. And man can be as big as he wants. No problem of human desti

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 2017年VOA慢速英语(九)月

A new survey of Internet security says the computer attacks are increasingly being used to make money, rather than simply to make mischief. Virus writers are finding also ways to amplify their powerthey're renting out robot armies of computers under

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 2005年NPR美国国家公共电台

Larry在咖啡馆里碰见了李华。他们会用到两个常用语:take someone under your wing和take someone for a ride。 Larry: Hey, there you are, Lihua。 LH: (Sounding tired) Oh, hi Larry。 Larry: I haven't seen you since last weekend. Wh

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 英语日常口语

Monday's meeting at the White House between President George Bush and President-elect Barack Obama is the latest symbol of a presidential transition that appears to be moving ahead smoothly, at least initially. VOA National correspondent Jim Malone

发表于:2019-01-09 / 阅读(143) / 评论(0) 分类 VOA标准英语2008年(十一月)

U.S. President George Bush and President-elect Barack Obama will meet at the White House on Monday. As VOA's Paula Wolfson reports, Mr. Bush says they will discuss the major issues facing the nation. President Bush assembled members of his Cabinet t

发表于:2019-01-10 / 阅读(94) / 评论(0) 分类 VOA标准英语2008年(十一月)

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(150) / 评论(0) 分类 英语杂谈

Both U.S. President George Bush and his successor, Barack Obama, are emphasizing the importance of a smooth transition, so Mr. Obama can tackle the country's economic problems as soon as he takes office on January 20. VOA's Kent Klein reports from W

发表于:2019-01-13 / 阅读(112) / 评论(0) 分类 VOA标准英语2008年(十一月)

U.S. President-elect Barack Obama is moving his White House transition forward, as political turmoil builds over the selection of his successor in the United States Senate. The governor of the state of Illinois stands accused of trying to sell the S

发表于:2019-01-13 / 阅读(130) / 评论(0) 分类 VOA标准英语2008年(十二月)

How annoying would that be? Must try harder. 多么不可思议。你要努力学习。 Being sent to bed by his dad, you know, to Shakespeare, Go to bed, now! And put the pencil down. 你能想象他父亲边说边把他抱上床,现在该睡觉了,

发表于:2019-01-18 / 阅读(115) / 评论(0) 分类 TED演讲教育篇

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-25 / 阅读(125) / 评论(0) 分类 英语每日一词

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-31 / 阅读(118) / 评论(0) 分类 英语单词荟萃

By Al Pessin Pentagon 19 October 2007 The U.S. military's effort to rebuild major infrastructure in Iraq will be winding down during the coming year, leaving the Iraqi government to fund the effort and to find engineers capable of handling the projec

发表于:2019-01-31 / 阅读(149) / 评论(0) 分类 2007年VOA常速英语(十月)

NATO's secretary-general says foreign forces in Afghanistan will remain on combat duty during the scheduled transition to Afghan security control in 2014. That statement by Anders Fogh Rasmussen came after U.S. Defense Secretary Leon Panetta said Ame

发表于:2019-02-08 / 阅读(135) / 评论(0) 分类 英语新闻

罩着某人 Take Someone Under Your Wing Take Someone For a Ride 在中文里,我们常常听到罩这个词,大哥罩着小弟,男生罩着女生... 那你知道它的英文表达么?来看看Larry在咖啡馆里碰见了李华的情景对话

发表于:2019-02-09 / 阅读(104) / 评论(0) 分类 英语口语

This extra jostling pushes the atoms farther apart, causing the whole substance to slightly increase in size. If the substance cools off, its atoms stop pushing against each other so vigorously. This makes the substance shrink again. This connection

发表于:2019-02-15 / 阅读(114) / 评论(0) 分类 英语时差8,16

饶舌:Tech N9NE - Check Yo Temperature 相关介绍 :2008年9月是Tech N9NE事业的一个里程碑,他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日,Rock The Bells 2009 Festival邀请他来做演出,今年10月的

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 节奏布鲁斯
学英语单词
a day's grace
abinitio pilot
abnormal dump
acupunctural
adenoma of sweat gland
adonivernit
aerobaticss
after lengths
american-traineds
Arteriae lumbales imae
assumption of normality
behnaz
blush on
chain chart
cocoa plum
colour depth
compuserve
controllable coupler
Corbusier, Le
counteraggressions
dealbating
discharge correction factor
dromaeosaurine
excitation frequency
expense for trial manufacture of new products
financial appraisal
flare correction
Foucaultian
games network
genetic vulnerability
Gurney-Mott theory
hair ties
head over
heavy block
heptangular
Hormotoma
hyperon gas
inclinings
indulcate
iniquitable
installation service
instruction time
Kalāteh-ye Mollā
large capacity aircraft
leather lacing
lubricating
lukachko
marry up
mechanical automatic scale
mileage per car
molecular beam scattering
Nkayi
no-exit
no-lines
non-committed
nuclear norm
Ombakaha
one million million million
optimal size of business
orthonomal model
overhand stoping
oversight function of a parent company
pan-naso sinusitis
period balances
persulfate
piston leather packing
plastered over
pneumonias
political obligation
potyvirus hippeastrum mosaic virus
prevenances
pulp chamber bur
push processing
quadslope
regular audit
replace clauser
rhein-diglucoside
Rhynchotechum vestitum
sailing large
salvage sump
sampling cross-section
sanzio
separated milk
Shantou
sheets
ship-wave interaction
soft lunar landing
specific gravity bottle
St-Broladre
stadia telescope
stylonurid
Sudheim
susan anthonies
text-writer
variable mote buzzer
Villastar
volt line
waist-gun
wedding rehearsal
Winchell, Walter
windowglass
zophoessa siderea kanoi