对甲氧基四氯酚

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(一)月

Marlboro is the worlds largest selling brand of cigarettes. It is made by the Philip Morris Company, originally a London-based cigarette maker. Philip Morris named the cigarette after the location of the companys first factory in Londons Great Marlbo

发表于:2019-01-01 / 阅读(92) / 评论(0) 分类 各大品牌英文介绍

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 午后咖啡

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(127) / 评论(0) 分类 科技之光

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(416) / 评论(0) 分类 2017年VOA慢速英语(六)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 医务英语

PEOPLE IN AMERICA - May 12, 2002: Dorothy West By Doreen Baingana VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we te

发表于:2019-01-07 / 阅读(164) / 评论(0) 分类 People in America

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 Scientific American(四)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(129) / 评论(0) 分类 英语单词大师-Word Master

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(92) / 评论(0) 分类 英语博客 A cup of English

Raw anti-drug campaign awakens state Ted Landphair | Missoula, Montana 04 February 2010 Photo: Montana Meth Project Adults across Montana were frightened by what they were seeing. Some hardly recognized their meth-addled teenagers. Related Links Mont

发表于:2019-02-02 / 阅读(96) / 评论(0) 分类 VOA标准英语2010年(二月)

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(143) / 评论(0) 分类 2007年VOA标准英语(五月)

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(162) / 评论(0) 分类 英语新闻

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

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(182) / 评论(0) 分类 VOA标准英语2010年(一月)

BRUSSELS, May 31 (Xinhua) -- Baby bottles containing the substance Bisphenol A (BPA) would have to be pulled from the shelves across the European Union (EU) starting from Wednesday, in a milestone move to better protect the health of EU citizens, an

发表于:2019-02-08 / 阅读(105) / 评论(0) 分类 英语新闻

RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw

发表于:2019-02-08 / 阅读(140) / 评论(0) 分类 英语新闻

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(130) / 评论(0) 分类 万物简史

Tea has complex compounds called polyphenols which are believed to help the arteries to relax or dilate, thus enabling a smoother flow of blood. 茶中含有一种叫多酚的复杂混合物。这种物质据信能帮助放松或扩张动脉,从而使

发表于:2019-02-17 / 阅读(140) / 评论(0) 分类 实用英语

Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. A small candle burns. It re

发表于:2019-02-21 / 阅读(100) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a change of base
allantois chorioidea
arcuate arteries
ascutney
automatic black level (abl)
axial tube
bad karma
Baden rubber
benshoof
Bitot's patches
boatswain's pride
bunk bed with ladder and guard rail
by the stroke of a pen
cable radio and television act
capsule forming machine
cartisane
changchub
charged coupled device scanner
chemico-
Chernobyl sarcophagus
combustion product gas
commission day
compound blank
comprehensor
Coupier's blue
cuspis anterior
devoiding
Diaspididae
diffuse choroiditis
direct contrasts
Dungun, Sungai
eastern gorilla
edaphoclimatic
end-results
ESCA, esca
esche
filardi
fitarvin
Fuller, Andrew
fuming sulfuricacid
function block diagram
garrulax morrisonianus
greater psoas muscle
grown
hematoporphyrin
hypodiploidy
interbranch transaction
jimbobs
Kinango
kind buds
koban
liable to pay
lispe flavicornis
magnesiun lime stone
mean time of stay
metal medium plate
mica-syenite
michiko
microtextured
monkey forecastle
moving violation
negative GM
nonlinear electromagnetics
on the tip of her tongue
organic synthetic pharmacochemistry
ornos
Pacific Area Travel Association
Pasquotank R.
petroleum resin
polyneuritis
popular referendum
position feed back signal
pot-valiant
primacy of planning principle
Queen's Club
recurrent laryngeal nerve paralyses
reflex anal dilatation
scaffold cradle
semi-state
Setaria viridis
Sheets in New Worbook
significant meteoro-logical information
sillion
sodateria
specific rate of growth
stubble mulch farming
sueb
suja
Szechuanosaurus
tanglings
telescope-top can
three-phase transformer
TOA
Tosan
toxic hydrocephalus
trouble shooting
venero
vermiss
vignetters
whirling thermometre
without restraint
yayu