[化] 四苯氧基硅; 四苯氧基甲硅烷

Russia's Gazprom energy monopoly is preparing to cut gas supplies to Ukraine if Kyiv does not repay a $2 billion debt by December 31. But Ukrainians dispute the Russian figure, and say they have enough supplies to last through the cold winter months

发表于:2018-11-29 / 阅读(184) / 评论(0) 分类 VOA标准英语2008年(十二月)

New York City-based Pfizer Incorporated, the world's largest pharmaceutical company, has stopped research on torcetrapib, a drug they hoped to sell to treat heart disease. The drug was supposed to raise levels of what is known as good cholesterol. T

发表于:2018-11-30 / 阅读(200) / 评论(0) 分类 初级商务英语听力2006

Driving Through a Speed Trap Angel: Why are you driving at a snails pace? Georgina: This is an infamous speed trap. I dont want to get a ticket again. Angel: I dont see any squad cars along the road. Are you sure this is the right stretch of road? Ge

发表于:2018-12-03 / 阅读(152) / 评论(0) 分类 2013年ESL之旅行交通购物

图片1 图片2 图片3 图片4 图片5 图片6

发表于:2018-12-06 / 阅读(202) / 评论(0) 分类 斯伯恩自然拼音(MP3+PDF)

A mouse looked through a crack in the wall to see the farmer and his wife opening a package; what food might it contain? He was aghast to discover that it was a mouse trap! Retreating to the farmyard, the mouse proclaimed the warning, There is a mous

发表于:2018-12-07 / 阅读(452) / 评论(0) 分类 幸福是一种态度

Pre-Listening Vocabulary gender-neutral: does not identify a person as being male or female personal pronoun: a word that is used to identify a specific person or thing awkward: uncomfortable propose: to make a recommendation fad: something that is p

发表于:2018-12-28 / 阅读(131) / 评论(0) 分类 趣谈英语

Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,

发表于:2018-12-31 / 阅读(125) / 评论(0) 分类 英语听力文摘 English Digest

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(171) / 评论(0) 分类 科技之光

Hen and stag parties Yvonne: Welcome to 6 Minute English! Im Yvonne Archer and Kate, thanks for joining me today. Kate: Youre welcome, Yvonne! Yvonne: Now, as the wedding season comes to an end, many newly-weds people who just got married - will be t

发表于:2019-01-07 / 阅读(202) / 评论(0) 分类 六分钟英语

AMERICAN MOSAIC - The Jeep - One of the Most Famous Vehicles in the World is Celebrated at its Birthplace MARIO RITTER: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Mario Ritter. Today, we play music that the television company MTV

发表于:2019-01-12 / 阅读(153) / 评论(0) 分类 2011年VOA慢速英语(八)月

AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be

发表于:2019-01-12 / 阅读(159) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Douglas Bakshian Jolo 20 February 2007 A special operations platoon of the Philippine Marine Battalion Landing Team conduct a military exercise in Jolo, 05 Feb 2007 The Philippines has recently been on the front line in the war on terror, taking o

发表于:2019-01-12 / 阅读(159) / 评论(0) 分类 2007年VOA标准英语(二月)

AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin

发表于:2019-01-19 / 阅读(148) / 评论(0) 分类 2018年NPR美国国家公共电台12月

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(146) / 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(192) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. We have a mouse in our garage. There might be more than one. The one I have seen is small, grey, and causes a lot of mess. As much as I love animals, I'm afraid we have to put down a mousetrap. My husband bought a box of traps a long time

发表于:2019-02-03 / 阅读(207) / 评论(0) 分类 英语博客 A cup of English

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(169) / 评论(0) 分类 英语博客 A cup of English

图片1 图片2 图片3

发表于:2019-03-02 / 阅读(191) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-03-02 / 阅读(205) / 评论(0) 分类 加州英语分级G1

图片1 图片2 图片3 图片4 图片5

发表于:2019-03-02 / 阅读(204) / 评论(0) 分类 加州英语分级G1
学英语单词
active jammer
aerobats
ajiva
allyl phenylcinchoninate
American dwarf birch
American Tramp Shipowners Association
anomalistically
anticorrosive varnish
assembled data set control block
be found wanting
binary file
binary time series
biogeocoenosis complex
blurred-lights
bolingbrook
bract-
brain-melting
buoyant tower
caffeine citrate
captive agency
carged
casus omissus
chadacryst
cheek line
cinetheodolite tracking system
Cockerell
collatoral
Cou.
counterimmunoelectrophoresis
ctenocella umbraculum
Cymbidium aloifolium
deconstructable
deniers
difference spectra
double-side leader
dummy file name
dyspancreatism
earning rate
ectotympanics
erbium-doped yttrium lithium fluoride laser
exessive indebtedness
false advertising
fixed-displacement motor
gaff rigged sloop
get into a muddle
Gharrāf
gillaroo
have blood worth bottling
haxo
hecto-radian
hitch-hikes
hole conduction
hrotsvitha
hydrologistor
industry cooperative programme
intermittent gaslift
jeepney
jilimi
Kegel karst
Kindia, Rég. Adm.de
Laurencin
laws governing special economy
Liatorp
lid sac
ligamenta thyreoarytaenoideum inferius
loose wool dyeing machine
malignant smallpox
micronektonic
Molotov cocktail
neutron excitation of the nucleus
ninth-centuries
nonmethodological
normally deenergized track circuit
nubilest
omit to do
optical allachesthesia
outbrist
pinehurst
plate slab mill
polyesterifications
predestiny
principles of management
scalar filter
self-release coupling
set of structural equations
sevant
sintering pallet
sleeper holding measuring device
Smilax emeiensis
suspension joint
systems behavior
test particle
thalrugosine
tricentennial
unvendible
Vaccinium carlesii
value-pluralism
voltage deviation factor
woodlin
x-ray fluorescent analysis (xrf)