[生化] 不稳定磷酸基团

The Reading Group Part 1 This programme was first broadcast in 2002. This is not an accurate word-for-word transcript of the programme. ANNOUNCER: Youre listening to The Reading Group from the BBC World Service. In this series we bring together liste

发表于:2018-11-29 / 阅读(310) / 评论(0) 分类 英语讨论

Study: Parasite May Be Killing US Soldiers Who Fought in Vietnam Fifty years after serving in the United States military, hundreds of Americans have a reason to believe they may be dying from a silent killer. Test results show some of the men may hav

发表于:2018-12-07 / 阅读(239) / 评论(0) 分类 2017年VOA慢速英语(十一)月

The possibility of cloning fierce and extinct wild animals has always excited film makers. And they are not the only ones! The popularity of films such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the i

发表于:2018-12-12 / 阅读(290) / 评论(0) 分类 高中英语示范课

AMERICAN MOSAIC - Muslims and Jews Share Life Stories and Build Friendships in LA Welcome to AMERICAN MOSAIC in VOA Special English. Im June Simms. On our show this week, we play new music from singer Aaron Neville. We also tell about an effort in Ca

发表于:2018-12-16 / 阅读(209) / 评论(0) 分类 2013年VOA慢速英语(二)月

Its important to trust your gut because the stomach and the food put into it can influence the entire body. For example a new study finds that mice that eat lots of fiber have stronger resistance against asthmatic attacks. For two weeks, let mice eat

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 2014年Scientific American(一)月

-Simulation terminated. -All right. Mr.Bile,is it? -Er...My friends call me Phlegm. -Mr.Bile, can you tell me what you did wrong? -I fell down? -No, no, before that. -Can anyone tell me Mr.Bile's big mistake? Anyone? Let's take a look at the tape. He

发表于:2018-12-28 / 阅读(218) / 评论(0) 分类 跟着美剧练发音

Laos Fights to Protect Endangered Asiatic Black Bears The capture and trafficking of endangered Asiatic black bears continues to be a problem in Laos, although the government is trying to reduce it. The bears often are sold so their parts can be used

发表于:2019-01-03 / 阅读(201) / 评论(0) 分类 2018年VOA慢速英语(四)月

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(231) / 评论(0) 分类 医务英语

THIS IS AMERICA - Latinos Grow in Influence; Say 'Hola' to America's Largest Minority Now By Jerilyn Watson Broadcast: Monday, June 20, 2005 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA in VOA Specia

发表于:2019-01-07 / 阅读(271) / 评论(0) 分类 This is America

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(289) / 评论(0) 分类 Scientific American(四)月

AnonymousBookDishesonLifeasaBlackMaidin'TheHelp' A hit novel about black and white women in the American south 50 years ago has been made into a film that is winning widespread critical acclaim. Alan Silverman has this look at The Help. I was raised

发表于:2019-01-13 / 阅读(233) / 评论(0) 分类 VOA标准英语2011年(九月)

Josh Dwonch was diagnosed with a rare liver disease when he was a baby. His parents, humanitarian workers, had faced their fair share of challenges, but nothing and no one could have prepared them for the fight of their life: saving their child. Josh

发表于:2019-01-14 / 阅读(219) / 评论(0) 分类 VOA标准英语2010年(十)月

Digestive Function of the Liver Sometimes referred to as the great chemical factory of the body, the liver creates, regulates, and stores a variety of substances used by the gastrointestinal system, and it serves a number of important digestive funct

发表于:2019-02-01 / 阅读(226) / 评论(0) 分类 英文语法词汇

By Phuong Tran Bandala, Chad 18 May 2007 Over the past year in eastern Chad, dozens of communities have fled fighting between rebel groups and Janjaweed militias based in Sudan. The scorched landscape along the remote far east, along the border with

发表于:2019-02-04 / 阅读(233) / 评论(0) 分类 2007年VOA标准英语(五月)

By Phuong Tran Habile, Chad 15 May 2007 Just this past week, Chad's government admitted there are child soldiers in its army. But schools along the troubled eastern zone, near Sudan, have long known that, when a child suddenly disappears from the cla

发表于:2019-02-05 / 阅读(268) / 评论(0) 分类 2007年VOA标准英语(五月)

Nearly 60 years ago, a group of Los Angeles doctors with a love of classical music created a symphony orchestra. Today, the Los Angeles Doctors Symphony Orchestra is still enriching lives through the healing power of music. Surgeon Ivan Shulman joine

发表于:2019-02-08 / 阅读(215) / 评论(0) 分类 VOA标准英语2010年(十一)月

How to Motivate a Group I like to focus on receptive and expressive intelligence, which I call CQ. A healthy dose of CQ is essential when being in charge of a group or team because the task of motivating them often falls to you. This may seem unfair.

发表于:2019-02-08 / 阅读(314) / 评论(0) 分类 阅读空间

A new study finds that sounds conveying negative emotions could be understood across cultural boundaries more readily than the sounds of positive emotions. Related Links Disa Sauter's paper in PNAS Things like laughter, crying, sighing, grunting ...

发表于:2019-02-12 / 阅读(162) / 评论(0) 分类 VOA标准英语2010年(二月)

TRAINER: All right. Mr. Bile, is it? BILE: Uh... my friends call me Phlegm. TRAINER: Uh-huh. Mr. Bile, can you tell me what you did wrong? BILE: I fell down? TRAINER: No, no, before that. Can anyone tell me Mr. Bile's big mistake? Anyone? Uh. Let's t

发表于:2019-02-23 / 阅读(165) / 评论(0) 分类 跟着美剧练发音

Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Rachel Hobson. 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. Voice 1 October 2007. It wa

发表于:2019-03-04 / 阅读(449) / 评论(0) 分类 环球英语 Spotlight
学英语单词
aesthetic injury level
ALSM
argininosuccinate
arteria hepatica communis
banner-bearer
builds in
by the bucketful
cable-tramway
Cairnharrow
Caldasite
casellas
cervical false aneurysm
chromium tetrachloride
Circumstraint
closing time of regulator
compute switch
corresponding duty
cottony-white
counter condition
Degodia
dipl(o)-
drowsings
dubow
earthy tripolite
eunuchised
ex-warrants
explosive bomb
fat end
feed disk
fisheries regulation committee
fixed point arithemtic
fleming rule
food for the growth of plant
four pin base
freboldite
gatekeeping
gramagrass
h.l
hamlett
have a date with someone
height of reserve layer
horizontal component of the earth magnetic field
induction torquemeter
inelastic scattering amplitude
initial filling
internal trade liberalization
International Maritime Industry
jurvetson
knob celeries
loeffieria
luteas
macrotrend
market grid
mean lower low water
medical pluralism
Melandryidae
Morinda badia
nejs
net debt balance
Neuenrade
obliques
oelke
ooidal
orthopan film
overall layout
Parakhinite
Passail
pattern detection
pendulum shaft
phyllotreta striolata (fabricius)
pine terpene
PIRS
polyandric
post-mortems
program area
protracted meeting
pulsed UV nitrogen laser
rabblerouser
relay finder
resonance absorber
revel in sth
schoolcrafts
secondary damage
semi-durable good
side restraint band
simple atrophy
solid propellant rocket projectile
Sotonian
space weather
specific votume
stapedial branch
strenuous exercise
supercars
Symplocos yunnanensis
the lower portion of the stem
thermionic emission density
thornes
turn-of-phrase
two-sublattice model
utulization
villaget
yemens