氦涡流冷冻

This is Whats Trending Today When it comes to weather, it is hard to sound more frightening than to call a storm a bomb cyclone. 谈到天气,很难听到什么比炸弹旋风更可怕的了。 But that is how weather experts are describing a huge

发表于:2018-12-08 / 阅读(529) / 评论(0) 分类 2018年VOA慢速英语(一)月

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(217) / 评论(0) 分类 英语小短文

不怕伤鸟:无扇叶涡轮风力发电机 Wind turbines are efficient sources of cheap energy but also a source of concern as their huge spinning blades frequently kill birds and bats. A new type of wind generator developed in Spain offers a crea

发表于:2018-12-19 / 阅读(159) / 评论(0) 分类 VOA双语新闻 2015年6月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece

发表于:2018-12-24 / 阅读(197) / 评论(0) 分类 Scientific American(三)月

人口数量增长速度过快。给我们的生存环境带来哪些影响? Alice: Hello, I'm Alice Finn: And I'm Finn. Alice: And this is 6 Minute English! This week were talking about population growth and the effects it might have on the world.

发表于:2018-12-27 / 阅读(201) / 评论(0) 分类 一起听英语

Alice: Hello, I'm AliceFinn: And I'm Finn.Alice: And this is 6 Minute English! This week were talking about populationgrowth and the effects it might have on the world. At the moment itsestimated that there are about 7 billion people on the planet. F

发表于:2019-01-07 / 阅读(242) / 评论(0) 分类 六分钟英语

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(309) / 评论(0) 分类 英语小短文

Extreme Cold Freezes Much of United States From VOA Learning English, this is In the News. A weather system known as a polar vortex brought dangerously cold weather to large parts of the United States this week. A polar vortex is a cold, thick low pr

发表于:2019-01-12 / 阅读(192) / 评论(0) 分类 2014年VOA慢速英语(一)月

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(288) / 评论(0) 分类 2015年VOA慢速英语(七)月

a very interesting read about the rapid expansion of refrigeration in China: 关于中国制冷业的快速发展,有一个有趣的事实: It is not simply transforming how Chinese people grow, distribute and consume food. It also stands to beco

发表于:2019-01-21 / 阅读(270) / 评论(0) 分类 英语新闻

China's national observatory renewed its orange alert for cold wave- the second highest level - on Sunday evening. Sun jun, chief forecaster of the National Meteorological Center, says the strong cold front is linked with the activity of the polar vo

发表于:2019-02-02 / 阅读(178) / 评论(0) 分类 英语新闻

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(242) / 评论(0) 分类 托福英语

The mascot, Kangkang, debuted on Thursday. It's based on a colored ink prototype painted by well-known Chinese artist Han Meilin. The 80-year-old is the man behind the famous fuwa, the mascots for the Beijing Olympic Games in 2008. For the Spring Fes

发表于:2019-02-05 / 阅读(198) / 评论(0) 分类 英语新闻

Let's begin by winding the timeline back 13.7 billion years, to the beginning of time. 让我们把时间往回拨到137亿年前,也就是时间的开始。 Around us, there's nothing. There's not even time or space. 四周是什么也没有,根本

发表于:2019-02-14 / 阅读(183) / 评论(0) 分类 TED演讲教育篇

Temperatures in Beijing dropped to below minus-10 degrees Celsius on Friday. Forecasters are warning the temperatures are going to hit a 30-year low through this weekend. Yu Bo is the chief forecaster with the Beijing Municipal Meteorological Center.

发表于:2019-02-14 / 阅读(268) / 评论(0) 分类 2016CRI中国国际广播电台

A polar vortex, also known as a circumpolar vortex, is a wind current that circulates above the North and South Poles. The currents sit like spinning hats above the Poles. 极地涡旋,又叫环极涡旋,是环绕在南极和北极上空的一股气

发表于:2019-02-16 / 阅读(189) / 评论(0) 分类 英语新闻

Now let's get some of the science behind the cold. What is driving these temperatures and how long is it expected to last. We bring in meteorologist Alex Wilson of US' Weather Channel. As even talking about this unusual cold, something you've been he

发表于:2019-02-18 / 阅读(245) / 评论(0) 分类 CCTV9英语新闻2014年01月

What Is the Polar Vortex? Record cold weather in the United States is forcing schools and businesses to close. The polar vortex, as it is called, has also canceled flights and suspended mail delivery. The temperature in Fargo, North Dakota, dropped t

发表于:2019-02-18 / 阅读(175) / 评论(0) 分类 2019年VOA慢速英语(二)月

When a prospective employer makes unreasonable demands on you before things start to get serious, it's a strong signal to hit the road. 当一位未来雇主在工作还没正式之前就提出了无理要求,那么明显说明你需要跑路了。

发表于:2019-02-21 / 阅读(273) / 评论(0) 分类 实用英语

Over the lights of sunset and vine We're floating away From the fortune and fame And your lips are mine They're raspberry wine Your body's a map I will follow into the sky Cause what you got Is all that I want It's all that I want And still that's no

发表于:2019-02-26 / 阅读(200) / 评论(0) 分类 美国乡村音乐
学英语单词
a Crown Princess
agathidium (neoceble) rufomarginatum
ain'tcha
anti-(o)estrogen
antispermagglutinin
atsdr
bad-debt
basso-relievos
belzebubs
bemouths
Bentley, Edmund Clerihew
bilastine
biodiversity,bio-diversity
block planting
bollacker
border-line risk
boxed-heart timber
brushes off
Bulbophyllum insulsoides
cabals
cablings
cartel ship
cave bears
centering-pin
chess-games
common hazard
Coronilla varia
degaussing
deskpros
dethanizer
Diplacanthidae
direct investments under the state budget
discuss and determine wage-grade
double frequency
duodenomesocolic fold
dynamic friction factor
electron-beam generator
embezzling
emotional syndrome
Encelad
endometriosis of bladder
ephedras
ersts
family Ceratophyllaceae
fish meal factory
fox spirit
framed data
good foot
heptamethylnonane
him
horological engineer
Hung Hom
hydose
ice model
imagetext
intelligence network
intensity discrimination
keep faith
keys to the kingdom
Knapdale
lassi
least harmonic majorant
lever travel
lunisolar tide
mail reflector
mayenite
microby
mucor circinelloides
n-pentanoic acid
natural oil
nautical chart
nonboarder
observer
odrick
Onassis
over temperature alarm of a electric machine
picnic can
prospects for investment
radiological exposure
red men
retouching operation
SCPT
Seen better days
segment long spacing
soil environment monitoring
streptoimidazolidine
strontiodresserite
Thar Desert
third-party endorsement
tilting-type mixer
trans-cinnamic acid
triazides
unchristening
untrains
utriculoid
variants-of
victory over
viriler
Weradys
wideband transmission system
Yanychi
zelap