音标:[tet'rəklərəʊ] ;
n. 四氯
[网络] 四氯甲烷;四氯乙烷

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(209) / 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(176) / 评论(0) 分类 各大品牌英文介绍

Writer Dorothy West: Last Living Member of Harlem Renaissance Written by Doreen Baingana (MUSIC) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we tell about a person w

发表于:2019-01-02 / 阅读(184) / 评论(0) 分类 名人轶事

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(219) / 评论(0) 分类 午后咖啡

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(512) / 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(191) / 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(279) / 评论(0) 分类 People in America

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(214) / 评论(0) 分类 英语单词大师-Word Master

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(257) / 评论(0) 分类 英语新闻

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(276) / 评论(0) 分类 VOA标准英语2010年(一月)

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(297) / 评论(0) 分类 英语新闻

The International Organization for Migration says about 1,000 Moroccan migrants who came to Italy with the promise of seasonal work, are living in squalid conditions on abandoned farms. IOM says the migrants were lured to Italy with false promises o

发表于:2019-02-12 / 阅读(181) / 评论(0) 分类 VOA标准英语2009年(八月)

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(217) / 评论(0) 分类 万物简史
学英语单词
abolition of nuclear weapons
abrasion damage
ak-style
Alajouanine
aluminium
answer print
arsenic pentaselenide
Azomonas
be a sitting duck
BYOC
candy-floss
cascade residual
cast part
Chegdomyn
committing suicide
Concho R.
consubstantiations
continuous production line
contract change analysis
course per gyro compass
cuvette adapter
cypho-
damp-proof inslation
debt bomb nations
dekel
democrata
direction vector
dissillient
dolichohieric
draft gear initial compression
early stages of development
ECLSS
eii
elapidaes
electronic commerce dictionary
Eleusinian
embryonal-cell lipoma
engine door
fixed coil
flavanonol
flocculent
foreign-exchange dealer
fray at the edges
gay-straight
grandparental
hanger shaft
hiatus canalis facialis
Huu Lung
Impact Avalanch Transit Time diode
impurity center
kerber
key-note
knocker face
kusachiite
land survey
live a simple life
livermush
Marie Curie
method of concomitant variation
microsthene
monacrosporium cionopagum
motherish
nanoconstriction
negative line feed
nervous stimulants
network vein
normal spectral measure space
Nova Chaves
overhead door track
Pacific Economic Cooperation Council
paralimna sinensis
percussion drill
polar finder
Qeren, Har
racking homing
radial motor
radicofunctional name
radiothoriun
ramsauer-townsend- collision cross-section
regular hemimorphy
revolving screw current-meter
Ritgen
rubidium jarosite
seaman's papers
self-placements
shoulder load
sludged blood
splash jacket
stadacain
sugarlike
suspend breathing
synthetic liquid insulating material
taughter
toe protection
umpty-umpth
unclaimed baggage
unified
vegetative period
voix de polichinelle
washing mark
work therapy