三乙氧基甲烷

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(127) / 评论(0) 分类 Scientific American(十二)月

Scientists in Mexico say they may have found a way to cut production of methane, a gas linked to rising temperatures on the Earths surface. The scientists say their method may help reduce the methane released by cows, one of the main producers of the

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 2017年VOA慢速英语(二)月

By Parke Brewer South African Hestrie Cloete has won the last two women's high jump titles at the World Athletics Championships. Now she is looking for gold in the Olympics. The 1.85 meter-tall Hestri

发表于:2018-12-08 / 阅读(107) / 评论(0) 分类 VOA2004(下)--雅典奥运

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 60秒科学

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(151) / 评论(0) 分类 科技之光

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(七)月

The trouble with trees 自人类诞生之日起,树木就一直忠实地陪伴着我们。年复一年的生息轮回中,除了年轮的增长,我们似乎很难察觉树木所经历的改变。然而,我们的这些老朋友在全球气候急剧

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 英语笔译

SCIENCE IN THE NEWS - Tons Of Methane Gas Could Be Trapped Under Antarctica BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today, we tell about methane gas thought to be tr

发表于:2019-01-12 / 阅读(112) / 评论(0) 分类 2012年VOA慢速英语(九)月

Dairy farmer, researchers look for ways to power cars with bio-gas from cattle Tom Banse | Bellingham, Washington 23 February 2010 Dairy owner Darryl Vander Haak turns cow manure into 'bio-gas' which burns like natural gas in a small electric power p

发表于:2019-01-13 / 阅读(130) / 评论(0) 分类 VOA标准英语2010年(二月)

SCOTT SIMON, HOST: A new study published in the journal Science finds methane emissions from U.S. oil and gas operations are 60 percent higher than previous estimates from the federal government. Now, this comes at a time when we're getting more and

发表于:2019-01-17 / 阅读(95) / 评论(0) 分类 2018年NPR美国国家公共电台6月

But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么,什么东西这么臭? The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan

发表于:2019-01-17 / 阅读(137) / 评论(0) 分类 TED演讲教育篇

Flatulence, or passing gas, is a normal daily phenomenon. 胀气,或者放屁,是正常的日常现象。 Most individuals, yes, that includes you, 大多数人,是的,这包括你, will make anywhere from 500-1500 milliliters of gas and ca

发表于:2019-01-17 / 阅读(146) / 评论(0) 分类 TED演讲教育篇

Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗? Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上,但它的清洁能源形象却受到质疑 M

发表于:2019-01-26 / 阅读(161) / 评论(0) 分类 经济学人综合

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(115) / 评论(0) 分类 英语博客 A cup of English

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(164) / 评论(0) 分类 2007年VOA标准英语(五月)

我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此,防止气候变化需要地球上的每个人共同来努力。 EACH and every one of us is responsible for the greenhouse gases we emit in ou

发表于:2019-02-05 / 阅读(92) / 评论(0) 分类 阅读空间

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(138) / 评论(0) 分类 英语博客 A cup of English

On earth, most of the methane in the atmosphere has been belched by living organisms, 在地球上,大气中的大部分甲烷都是由活着的生物体喷出的, so finding the gas on Mars would be happy news for seekers after extraterrestrial

发表于:2019-02-16 / 阅读(122) / 评论(0) 分类 经济学人科技系列

Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来,根据地球的实验,火星大气中的任何甲烷分子将有望徘

发表于:2019-02-16 / 阅读(124) / 评论(0) 分类 经济学人科技系列

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(169) / 评论(0) 分类 英语口语
学英语单词
A. W. O. L.
accessory sex gland
air-bubble breakwater
all things come to those who wait
alternating occulting
arcoraci
automated purchasing system
ballotade
base of field
bobbin rail
booby hatches
Cambenzole
cetane ratio
chapeler
Chester's disease
chief administration
cholesterolestertransferprotein
closed orthogonalset
colorfasts
concentration polarization curve
controlled fusion reaction
corner tile
courage
Curie temperatures
cyclings
dark net
decision table processor
descriptive anthropologies
dial out
dignans
double Salchow jump
double-thong
endothelium-derived relaxing factor
energy level depopulation
fast pace
fat salary
feather an oar
fee splitting
file protection
five-hundredths
free bend test
fume-filleds
generalized fault table
get a broom up one's tail
gosans
graduate thesis
heavy lift helicopter
hydraulic jet
i-coupled
intercrystalline strengthening
job condition
kidney essence
light spot millivoltmeter
line of solidification
linear approximation method
lithozones
load-elongation diagram
loss modulation
louhi
lutjanus johnii
made mischief
make slide on the ice
matricaria chamomillas
MIDI sound module
moor fore and aft
multilevel signal
nanocavity
nuclear degeneration
Orthopteroidea
oxygen-breathing apparatus
pahlevis
peat bog
PHZ
platymyarian
proprius
prowessed
Ptychomitriaceae
pulpwoods
radial cut ring
radio spectroheliogram
rush agate
sacramento mountainss
salt merchant
Sao Joao, Sa.de
sassafras medulla
SECAF
self-disciplines
soda-Sarcolite
subgradient wind
syracosphaera epigrosa
Tasbehas
thank sb for sth
thunder blows upon
tilemaker
transitional unemployment
tritriacontyl
Uryū-gawa
Vena marginalis dextra
White Lotus Rebellion
word-painting
worldwise
Zambrano, R.