烷水平

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(89) / 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(146) / 评论(0) 分类 2017年VOA慢速英语(二)月

JEFFREY BROWN: Finally tonight, new findings and charges in the investigation of the Upper Big Branch Mine disaster in West Virginia. It was the deadliest in the U.S. in four decades29 men were killed on April 5, 2010, after an explosion at the mine

发表于:2018-12-31 / 阅读(53) / 评论(0) 分类 PBS访谈环境系列

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(82) / 评论(0) 分类 60秒科学

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(71) / 评论(0) 分类 Scientific American(七)月

Scientists Say Climate Change Is Real and Human-Caused 科学家称气候变化是人类活动所造成 From VOA Learning English, this is Science in the News. Im Katherine Cole. And Im Christopher Cruise. Today we tell about a United Nations report

发表于:2019-01-12 / 阅读(54) / 评论(0) 分类 2014年VOA慢速英语(一)月

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(78) / 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(87) / 评论(0) 分类 VOA标准英语2010年(二月)

By Stephanie Ho Washington 03 January 2006 Authorities in the U.S. state of West Virginia are scrambling to rescue 13 coal miners who have been trapped 80 meters underground, after an explosion Monday

发表于:2019-01-16 / 阅读(123) / 评论(0) 分类 2006年VOA标准英语(一月)

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(54) / 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(102) / 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(103) / 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(121) / 评论(0) 分类 经济学人综合

今天我们要学的词是level off。 To level off, 是稳定下来的意思。 At some major banks, the number of bad loans is starting to level off, 一些大银行的坏帐案例正在逐步稳定下来。 最新研究发现, U.S. obesity rate

发表于:2019-01-31 / 阅读(94) / 评论(0) 分类 英语单词荟萃

今天要讲的两个习惯用语并不是由同样一个关键的字组成的,然而,它们具有相同的意思。也就是诚实,真实等。今天我们要讲的第一个习惯用语就是:

发表于:2019-01-31 / 阅读(149) / 评论(0) 分类 美国习惯用语

Larry和李华正在乘公共汽车去公园去溜冰。今天李华会学到两个常用语:to level with someone和clueless. (Local traffic) LL: I have to level with you, Li Hua. I'm not very fond

发表于:2019-01-31 / 阅读(92) / 评论(0) 分类 美国之音《流行美语》

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(55) / 评论(0) 分类 阅读空间

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(81) / 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(93) / 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(133) / 评论(0) 分类 英语口语
学英语单词
a cloud of dust
Afrikaaner
anti-oxidant anti-corrosion additive
application gate
approximation system
bartis
be there for someone
biomethylating
charged membrane
chuckey
Clerieux
combining nozzle
compensition for non-fufillment of contract
consolidated sinking fund
contractual reserve
copy error mutation
cross-sectionally
Cumberland Narrows
cyperus iria l.
decrepitly
defogged
dendritically
dipping unit
Direnal
dockleaf
draw pin
extrados
family of population distributions
fictiver
first baron macaulays
floral arrangement
flux recovery
formative yolk
front operating aperture
gads about
glitte
heteroautotrophic
horizontal sphere-gap
hylomorphism
inclined-tube manometer
infraorbital artery (or superior dental artery)
insistingly
intercalation polymerization
isothemal works
John O'Groats sandstone
leading force
ligand
Lippmann electrometer
Malmejde's tests
marginal probability
measure of goodness
mechanical strength of resin
methylene blue reduction milk test
methylmercury nitrile
micromerozoite
microsequencers
mist propagation
nanoaggregate
oil-water interfacial energy
opening of a letter of credit
ophiactis savignyi
Ortho-chrysotile
overfatigues
partial polarized light
popych
poter yarn
practisedly
primary sarcoma of liver
publicly-owned corporation
pump car
Puzla
r.m.s. power
residual expansion rate of tank volume
reverse burning
satisfy oneself
sfwa
side hammer
Siphandone, Khouèng
soda-Heterosite
St. Johns
stage designer
standard magnet
stepless friction transmission
strength of forbiddenness
syllid
symmetric cryptographic systems
system policy
systema nervosum periphericum
taakhaar
tetradrachmas
topagnosia
tricholith
triprosopus
unprofessionalism
unsimilarities
unstartling
vacuum cold welding test
walk it
wet-bulb thermometer
wind strip cropping
Yatton
Yucca baccata