2-溴乙醇

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发表于:2018-12-03 / 阅读(169) / 评论(0) 分类 20本英文音韵童谣小书(文本+音频)

VOICE ONE: Im Steve Ember. VOICE TWO: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about growing food problems around the world. (MUSIC) VOICE ONE: Food prices are rising in many countries. Economic policy makers warn

发表于:2018-12-15 / 阅读(72) / 评论(0) 分类 VOA慢速英语2008年(四)月

By Brian Wagner Miami 30 March 2007 President Bush has set ambitious goals to reduce the country's dependence on oil, and increase the use of alternative fuels like ethanol. VOA's Brian Wagner reports from Miami that experts are now at work to ensure

发表于:2018-12-16 / 阅读(114) / 评论(0) 分类 2007年VOA标准英语(三月)

今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同,或者是来源不一,用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是:odds and ends, knic

发表于:2018-12-16 / 阅读(149) / 评论(0) 分类 美国习惯用语

Today's podcast is going to test your knowledge of ethanol. What is it? How is it made? And what are the advantages and disadvantages of using it? I asked myself these questions recently, when I drove past a gas station that had a sign saying 'No eth

发表于:2019-01-01 / 阅读(73) / 评论(0) 分类 英语博客 A cup of English

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(154) / 评论(0) 分类 英语语法 Grammar Girl

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 Scientific American(六)月

By Scott Stearns White House 22 February 2007 U.S. President George Bush wants to cut America's dependence on foreign oil by increasing the domestic production of alternative fuels. VOA White House Correspondent Scott Stearns has the story. President

发表于:2019-01-12 / 阅读(109) / 评论(0) 分类 2007年VOA标准英语(二月)

By Paul Sisco Washington, DC 26 January 2007 watch Ethanol Alernative report In his State of the Union address, President Bush set an ambitious goal for the United States -- to reduce oil imports from the Middle East by 75 percent. He said this can

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 2007年VOA标准英语(一月)

Cutting Ethanol Subsidy Might Not Impact Food Prices With the U.S. ethanol industry consuming about a quarter of the nations maize crop, many have blamed biofuels for rising food prices in recent years. The new year brought the end to a $6-billion su

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2012年(一月)

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(九)月

Alternative Fuel Ethanol Hits a Wall 替代燃料乙醇遭遇难题/撞墙 When U.S. drivers fill their tanks with ethanol, they are essentially buying fermented corn grown by American farmers. A 2007 law requires gasoline makers to add increasing am

发表于:2019-01-14 / 阅读(85) / 评论(0) 分类 VOA标准英语2014年(五月)

By Greg Flakus Houston 16 October 2007 In recent months food costs in the United States have gone up by well over six percent and some economists see government-mandated use of bio-fuels as a key reason. But, as VOA's Greg Flakus reports from Houston

发表于:2019-01-25 / 阅读(96) / 评论(0) 分类 2007年VOA常速英语(十月)

Lexington 莱克星顿 Paying fealty to farmers 向农民们表忠 When Ted Cruz is the only person talking sense, something is wrong 当只有特德克鲁兹在理时,事情就有鬼了。 A FEW years ago, while reporting on the madness that is Eu

发表于:2019-01-27 / 阅读(126) / 评论(0) 分类 经济学人财经系列

JUDY WOODRUFF: Next: the changing requirements for ethanol in gasoline and bigger questions over its wider use in recent years. Today, the Obama administration proposed cutting the amount of ethanol that would be blended into gasolinenext year. The E

发表于:2019-01-27 / 阅读(90) / 评论(0) 分类 PBS访谈环境系列

By Brian Padden Iowa 17 July 2006 watch Ethanol report Harvesting corn to make alternative fuel Oil prices recently reached a record high of $75 a barrel. And the growing profits are funding such anti-American governments as Iran and Venezuela. Thes

发表于:2019-01-29 / 阅读(175) / 评论(0) 分类 2006年VOA标准英语(七月)

By Paula Wolfson Sao Paulo 09 March 2007 The United States and Brazil are forming an informal alliance to push the production of ethanol. VOA White House Correspondent Paula Wolfson reports from Sao Paulo, the development and promotion of biofuels ma

发表于:2019-01-30 / 阅读(109) / 评论(0) 分类 2007年VOA标准英语(三月)

AGRICULTURE REPORT - High-Priced Oil Raises Appeal of BiofuelsBy Mario Ritter Broadcast: Tuesday, August 08, 2006 This is the VOA Special English Agriculture Report. An ethanol plant As oil prices cli

发表于:2019-01-30 / 阅读(64) / 评论(0) 分类 2006年慢速英语(八)月

By Paul Sisco Washington 07 March 2007 watch Ethanol Alternative Fuel President Bush speaks to reporters about how cellulosic ethanol can be produced from biomass such as spruce wood chips President Bush leaves this week for a five nation Latin Amer

发表于:2019-02-03 / 阅读(114) / 评论(0) 分类 2007年VOA标准英语(三月)

By Jeffrey Young Washington 16 October 2007 U.S. farmers have gone through many cycles of boom and bust. But as VOA's Jeffrey Young reports, prospects for American agriculture are looking up, thanks to rising crop prices and land values, especially i

发表于:2019-02-03 / 阅读(99) / 评论(0) 分类 2007年VOA常速英语(十月)
学英语单词
affiancing
after the crop
Aghda
Agrostis matsumurae
aidoiitis
all-girl
andryala
another way
auxiliary selector
avescoes
bastian
benzyl ether
Big Delta
branching aneurysm
card-tables
Changlang
Chi Linh
chin t'ung tai
circinata
Cistema di Latina
commutating capacitor
controlled manual block machine
deep grammar
deep sea graben
demoniac, demoniacal
dingane
disadjustment
disappointedly
double gate valve
Enlarged nodes must be resolved.
envelope top
environmental ambient assessment
fair balls
fast Fourier transform algorithm
first audit
flash grinder
flying camp
form of bits
free living nitrogen fixing bacteria
furnish evidence
gamone
greasier
Gyrstinge Sφ
Harrop
heat receiver
heath violets
home-mortgage
horizontal stress
hyperpiesis
illusoin
IMF
impact winter
indignes
inegalitarians
input/output interface
jet-smelter process
Knights of the Lambda Calculus
laviallois
lesbianized
level-wind
lotus seed paste
make up something
Mass Transit Fund
Mlicrococcus minuta
motanic acid
muscle flap
no-pain
operational safety review
optophon
original quality
outgroup favoritism
Permutit C
pharmacochemist
piclear
plane waves
population accounting
precorneal chamber
raster-scan display
rebound speed
Regents
remnant stream
Sagebrush Rebellion
scarlet buglers
sectarian
semi-automatic test
Siena, Prov.di
space of decision functions
spacer grid
squeeze cementing
still-picture transmission
strike a match
superinfecting
TDI
thermal output of heating surface
traveling-wave linear accelerator
triforoid
ultraglossy
vireton
wire-guided
xbow
XRDS
youngberries