无机二次冷媒

Reuben, Reuben, I've been thinking What a grand world this would be If the men were all transported Far beyond the Northern Sea Oh, my goodness gracious Rachel What a strange world this would be If th

发表于:2018-11-29 / 阅读(394) / 评论(0) 分类 迪斯尼儿歌第四集

Life Grows in the Soil of Time by Thomas Mann What I believe, what I value most, is transitoriness. But is not transitoriness - the perishableness of life - something very sad? No! It is the very soul of existence. It imparts value, dignity, interest

发表于:2018-11-30 / 阅读(128) / 评论(0) 分类 英语励志美文精华

Rice had seen the same thing in Iceland, one of the few places on Earth with similarities to Mars. It too is extremely cold, and most of the water is frozen into glaciers. And also like Mars, buried u

发表于:2018-12-07 / 阅读(114) / 评论(0) 分类 火星生命

In China, saltiness is deemed as the most important flavor. 在中国的烹饪辞典里盐是百味之首 Every day except for rainy ones,Liu Yingwu is busy working in the brine pan. 不下雨的日子里,阿刘每天都要在盐田里忙碌 You ha

发表于:2018-12-28 / 阅读(112) / 评论(0) 分类 舌尖上的中国第一季

本讲为2006年下半年新的教学内容,请对照讲义听声音! Students(researcher/scholar) of Nature are not satisfied with guessing, but they observe, day after day, the changes which tak

发表于:2018-12-30 / 阅读(99) / 评论(0) 分类 自考英语(一)78讲

Parts of Chile are facing a growing water crisis. The Reuters news agency reports the government is taking steps to protect the countrys water supplies from mining operations. But for many years, the Chilean government approved water extraction right

发表于:2019-01-03 / 阅读(127) / 评论(0) 分类 2018年VOA慢速英语(九)月

Young Technology Expert Works to Stop Car Thefts Kenya is East Africas largest economy. Its capital Nairobi is growing quickly. But so is the citys crime rate -- the Nairobi Metropolitan Crime Observatory says thieves steal an average of 10 cars each

发表于:2019-01-12 / 阅读(80) / 评论(0) 分类 2014年VOA慢速英语(十一)月

AS IT IS 2014-10-21 Climate Change Could Destroy Farms in Africa 气候变化会使非洲农场受重创 A new study says the speed and severity of climate change could cause major damage to small African farms. These farmers are already struggling t

发表于:2019-01-12 / 阅读(106) / 评论(0) 分类 2014年VOA慢速英语(十)月

Tests Show Levels of Arsenic in US Rice Two hundred different types of rice and rice products tested by both the non-profit research group, Consumer Reports, and the U.S. Food and Drug Administration [FDA], contained varying levels of different forms

发表于:2019-01-13 / 阅读(110) / 评论(0) 分类 VOA标准英语2012年(九月)

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(127) / 评论(0) 分类 TED演讲教育篇

Premier Li Keqiang says China should consider science and technology as a primary productive force. Scientific and technological innovation to a large extent determines the future of China's development strategy. In history, we have missed several te

发表于:2019-01-20 / 阅读(93) / 评论(0) 分类 英语新闻

-Sheldon:Leonard, excellent. I want to show you something. excellent:太好了 Leonard太好了,我想让你看点东西。 -Leonard:Can it wait? I need to talk to you. 能等一会吗,我们得谈谈。 -Sheldon:Just look. I've designed

发表于:2019-01-28 / 阅读(220) / 评论(0) 分类 生活大爆炸第一季

Sprigg submitted a paper to Nature, but it was turned down. 斯普里格给《自然》杂志写了一篇论文,但是没有被采用。 He read it instead at the next annual meeting of the Australian and New Zealand Association for the Advancement

发表于:2019-01-29 / 阅读(95) / 评论(0) 分类 万物简史

Although chemistry had come a long way in the century that separated Newton and Boyle from Scheele and Priestley and Henry Cavendish, it still had a long way to go. Right up to the closing years of the eighteenth century (and in Priestley's case a li

发表于:2019-01-29 / 阅读(97) / 评论(0) 分类 万物简史

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(101) / 评论(0) 分类 英语新闻

Despite pledges in the last year to fight pollution, Beijing saw barely any improvement in air quality in 2013. The Beijing Environmental Protection Bureau says the intensity of major air pollutants remained much the same in 2013 as they were in the

发表于:2019-02-05 / 阅读(99) / 评论(0) 分类 CCTV9英语新闻2014年01月

Dropping your smartphone when taking a selfie could soon be less risky, says specialist glass maker Corning. 专业玻璃制造商康宁日前表示,自拍的时候不慎掉落手机可能不再会碎屏了。 Shattered or cracked screens are the n

发表于:2019-02-05 / 阅读(89) / 评论(0) 分类 英语新闻

Lesson 28 A Block Of Salt 第28课 一块盐 Every day we eat some of the white powder which we call salt. Salt does our bodies good, and keeps them healthy. We eat it at dinner along with our meat. We eat it, too, with eggs, and watercress, and with

发表于:2019-02-13 / 阅读(100) / 评论(0) 分类 英国学生科学读本

Finally, and perhaps a little unexpectedly, readings can be thrown out by seemingly unrelated external factorssuch as the diets of those whose bones are being tested. One recent case involved the long-running debate over whether syphilis originated i

发表于:2019-02-17 / 阅读(90) / 评论(0) 分类 万物简史

Israeli(以色列) researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew Univ

发表于:2019-02-25 / 阅读(145) / 评论(0) 分类 英语新闻
学英语单词
aircraft general information
alpha position
aneuploidogen
anti-rolling fin
arteria bulbi penises
asporous bacteria
atomic number 65s
boil clear
bona fide possession
bonitoes
carrick on shannon
central and western regions
chair-lift
cold and hot trial
communalities
compatibility of fixed point constraint
conductor rail system
consumption of labor power
control rod group
covi
cross it
daily gain
drop publications
epigastric zone
European currency snake
experimental pharmaceutics
Fastigiobulbar
foreign exchange official rate
formaldehyde (hcho)
four-stroke internal-combustion engines
get rolling
give blood
goal-kicks
guestimated
Gymnadenia bicornis
harachi
Hauptsrus
have a convulsion
health account
hedge ratio
hepadnaviridae
Hippocrates' method
hippulin
homoplastid(michaelis 1957)
Hwadae
inertia time
initial point of expansion
j.upton
Knottingley
Koelreuteria paniculata
larchen
limnophlia (dicranophragma) formosa
make oneself heard
marjoram
maximum independent set
mccrindle
milton friedmen
morphological stability
Mudirra
multiplane-multispeed balancing
mute-hill
muurolane
myelocone
nasal canthuss
nect-
Nsenga
orientation preserving mapping
overrall
pallet lift
peleuss
PHCM
piriniversiform
pissbabies
plorensio
polyester filament
poontang
potassium yttrium sulfate
practical intelligence
pre-Arnoldian
quercimeric acid
rank-dependent utility theory
remote signaling
reverse transfer admittance
root directories
Sakht-Sar
salmon patch
seed blanket breeder reactor
space centroid
St-Germain-Lembron
stylobol
subcisive
Tachina, R.
tautomeric shift
temorites spinifera
transistor flasher
ulopyranose
verification of account
vocaltec
W-256
wapner
week in, week out
Yang Dipertuan