[有机化学] 对氯苯基-N-氨基甲酸酯

1992年第25届巴塞罗那奥运会闭幕歌曲《Amigos para siempre》 《永远的朋友》是1992年巴塞罗那奥运会的主题歌。 amigos para siempre在西班牙语中是一生 的朋友之意。 参与制作这首巴塞罗奥运会那奥运

发表于:2018-11-29 / 阅读(379) / 评论(0) 分类 奥运歌曲

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(231) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(234) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(三)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(241) / 评论(0) 分类 Scientific American(三)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(207) / 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(246) / 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(543) / 评论(0) 分类 2017年VOA慢速英语(六)月

发表于:2019-01-03 / 阅读(256) / 评论(0) 分类 奥运英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(267) / 评论(0) 分类 农业与发展

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(313) / 评论(0) 分类 People in America

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(227) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(242) / 评论(0) 分类 Scientific American(十一)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(244) / 评论(0) 分类 英语单词大师-Word Master

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(258) / 评论(0) 分类 经济学人科技系列

从古至今,人类在不停地探索能够象鸟儿一样自由自在飞翔的方法,随着科技的进步和现代航空技术的发展,人类发明了各种飞行工具,滑翔伞就是其中一

发表于:2019-02-01 / 阅读(313) / 评论(0) 分类 奥运英语

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(372) / 评论(0) 分类 英语新闻

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(296) / 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(317) / 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(348) / 评论(0) 分类 英语新闻
学英语单词
AAFES
Aechmanthera tomentosa
Agardom, Mays
all-embracing budget
aluminium bis(acetylsalicylate)
amine curing agents
antipodal cell
astragalus nokoensis
axial tube
axiom of comprehension
be ill at east
black beetle
Born-Berg
Bridge City
cat and rat
change over
chapped lips
chronicle-herald
cocainizing
colo(u)r fastness to chlorinated water
contact with other cargo
continuedness
creep rupture
delayed filling
DHM
diallel mating
diascopic
diesel hydraulilc locomotive
dividend check
divider calipers
drive - in restaurant
dropping vessel
exhaust heated
family balaenidaes
Fascine-work
fluo-germanate glass
full-image rectification
Gastronilo
Geodorum densiflorum
Gzhat'
Hopkins' thiophene tests
hortus siccus
inappropriable
intercellular secretory canaliculus
interface typewriter
isopto-eserine
japanese snowbells
la r?sa
landbanking
large transport airplane
leading truck transverse equalizer
Lyambir'
mallons
Maxwell's ring
meagrest
menudos
metalphthalein
meteoritic abundance
migratory cell
monzonite yamaskite
mother-of-pearl cloud
mountain ebony
nobs
noise canceller circuit
Orhon Gol
orianna
pearl white
periodic psychinosis
phyllo-
Pokrovka
product probability function
recultivates
Reinhardtius
reseedings
respiratory heat
retroviridae
reversal cost
ribbon width
sciara insignis
Septobasidiales
simulated machine indexing
simulator time
sinus dur? matris
slow permeability
sodium diborate
speedin'
spuller
steel-clad switchbox
stem extension
supraspective
swallow-fork
taulbert
tinnitus cranii
topliner
track recording car
trichinize
untwilled
uppluck
watchwork
wave-activated generator group
Welokā
went after