音标:['siŋɡl'sel] ;
单细胞蛋白质

Sneezing, coughing, and sniffing. Welcome to winter and the common cold virus, a cure for which has eluded for years. But now a major breakthrough by scientists in Cambridge University brings that cure a step closer, as they've discovered a new way t

发表于:2018-12-11 / 阅读(102) / 评论(0) 分类 万花筒2010年

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? A new development in malaria: Plasmodium vivax, the worlds most common malaria parasite, now infects people previously considered to be resistant. Peter Zimmerman from Cas

发表于:2018-12-24 / 阅读(114) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60 seconds science. I'm Ian Chant. Got a minute Secret identities aren't just for superheros anymore. Researchers have found that protein present in everything from amoebas to people is living the double life. Once it bi

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 Scientific American(七)月

Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 2017年Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(九)月

What Is Progeria? Progeria was first described in the nineteenth century. The mysterious disease is often thought of as premature aging. Children with progeria are normal for their first year of life, but then develop medical problems normally seen i

发表于:2018-12-31 / 阅读(99) / 评论(0) 分类 英语听力文摘 English Digest

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-02 / 阅读(215) / 评论(0) 分类 60秒科学

HEALTH REPORT - Scientists Develop Stem Cells Without Loss of EmbryosBy Caty Weaver Broadcast: Wednesday, August 30, 2006 This is the VOA Special English Health Report. Researchers say they have found

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 2006年慢速英语(八)月

补充: CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 电信英语

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. Imagine tweezers so fine that you could reach right into a cell and manipulate individual molecules. MIT researchers have created such a tweezer, using

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(七)月

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(五)月

the saving grace 可取之处 英文释义 A single positive quality or benefit that redeemssomething with numerous negative qualities andno other benefits. 例句 My new job is difficult, pays poorly, and demands that I work far too much, but the sa

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 每日商务英语

Nano Tool Watches Teardrop Protein Destroy Bacteria About a hundred years ago, a Scottish biologist discovered that proteins called lysozymes in human tears can kill bacteria. Scientists have studied the enzyme extensively, but molecular biologist Gr

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2012年(一月)

听力部分 Dictation: Please prepare your paper and pen. ______ knows ___ and ____ the ________ _______ _______________________ of ______. But ________ people were __________________. Today _________________________that ________________________ is,

发表于:2019-01-14 / 阅读(96) / 评论(0) 分类 王强口语 第二册

a butterfly with glowing eyes Believe it or not, Monteiro and her team insert ed a new gene into the butterflys genetic sequenceone taken from a jellyfish . No, I know you're fooling. Actually I'm not. This gene codes for a green florescent protein t

发表于:2019-01-26 / 阅读(97) / 评论(0) 分类 英语听力文摘 English Digest

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(227) / 评论(0) 分类 60秒科学

SCIENCE REPORT – January 23, 2002: Aging Protein By Jerilyn Watson This is the VOA Special English Science Report. A new study suggests that a protein that protects animals from cancer early in life

发表于:2019-01-30 / 阅读(185) / 评论(0) 分类 科技之光

Low-salt,low-protein diet can prevent kidney stonesA diet low in salt and meat can dramatically reduce the risk of kidney stones,according to an Italian study that could spell the end for the low-calcium diet that doctors have been recommen

发表于:2019-01-31 / 阅读(151) / 评论(0) 分类 阅读空间

By Carol Pearson Washington 09 April 2008 Diabetics have a greater than average chance of having a heart attack or stroke. But new research indicates that lowering blood pressure and cholesterol below recommended guidelines seems to reduce these risk

发表于:2019-02-03 / 阅读(117) / 评论(0) 分类 VOA常速英语2008年(四月)

But those are dots on a screen for you; what exactly does that mean? 但是那些你们看起来是屏幕上的点;到底有什么意义呢? Well basically that means that this protein is changing from the sensitive cell to the resistant cell. 基本

发表于:2019-02-21 / 阅读(105) / 评论(0) 分类 TED演讲教育篇
学英语单词
3-Hydroxyoctanoyl-(acyl-carrier-protein)-dehydratase
absolutely convex set
adjutrices
advanced placement examination
aeroembolisms
aircraft captain
architectural sculpture
arrearages
at daylight
boreanaz
broadband IP
broncho-catheter
by the left hand
central anlrle bone
cerium(element)
clearance gauge
color picture
combined-voltage generator
continental method of self-propulsion test
coxalls
dado rails
decide on the basis of the relevant documents
delayed menstrual period
Detonieren
diamond crossover
distractionism
dolorosas
Donovania granulomatis
dual isomorphism
economic significance
external stemming
fabric heat conductivity test
family Melanthiaceae
feminerd
finishing stage
fluorescent particle atmospheric tracer
genus Plumeria
genus Trichoglossus
get out of gear
guildmembers
Hercules superclusters
Hoyt alloy
ignition advance mechanism
IKES
infundibular, infundibulate
kravchenko
levels-of-analysis
local hot-cell factor
look-up technique
loppings
maisy
mandibular ganglion
Manitou R.
mitochondrial deoxyribonucleic acid
motor units
multibank parallel memory
mysteriosophy
Nabari-gawa
neck-length
neorama
nibbin'
non-flame properties
Oxytropis meinshausenii
papillae gingiva
phosphori
planar gliding
posterior external arcuate fibers
prisoner
pseudocontinuous function
Ptychoderidae
purse-seinings
reconstructed beam
rock cress
scissorhands
Shisseb, Oued
Shyok River
sighing dyspnea
single loop wiring
source point
splinter
spray granulation
subacute inflammation
suppurative pneumonia
surds with same order
take someone for
tannier
thermal forcing
three-flanged nail
Tongoloa loloensis
tropical air (mass)
two-storey settling tank
type line
uncropped areas
unsex
upward-stroke
valgus club foot
variable length segment
voting age
Winterfeld
xanthocilin
yeast filtrate factors
young in the trade