音标:[ˌkrəuməˈsəuməl ˈskæfəld] ;
[医]染色体支架

This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I am Steve Mirsky,Got a minute? A team of Finnish and American geneticists has found that that, for some people at least, music is in their genes. In what the researchers called the first study of its

发表于:2018-12-24 / 阅读(98) / 评论(0) 分类 Scientific American(六)月

Birth Defects Rise in Former Iraqi Battleground Five-year-old Lujane is one of hundreds of children in Fallujah who have been born since 2004 with severe birth defects. Her father says Lujane suffers from multiple afflictions that Iraqi doctors strug

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 VOA标准英语2012年(十二月)

ROBERT SIEGEL, HOST: Tomorrow, a sculpture that was recently installed in the Minneapolis Sculpture Garden will be dismantled. Later on, it will be burned in a ceremony. This was not the original intention of the artist. As Minnesota Public Radio's E

发表于:2019-01-17 / 阅读(122) / 评论(0) 分类 2017年NPR美国国家公共电台6月

They were once thought to mark the outer limits, but today astronomers believe the Milky Way galaxy is much bigger than what we can see. To understand why, we will travel to the stars of the outer galactic disc. Far from our usual place in space, we

发表于:2019-01-22 / 阅读(130) / 评论(0) 分类 自然百科2011年

CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,

发表于:2019-02-06 / 阅读(133) / 评论(0) 分类 英语新闻

I want you to imagine two couples 我希望大家设想一下,两对夫妇 in the middle of 1979 在1979年的年中 on the exact same day, at the exact same moment, 在相同的一天,相同的时刻 each conceiving a baby -- okay? 每对怀上了

发表于:2019-02-13 / 阅读(131) / 评论(0) 分类 TED演讲教育篇
学英语单词
acid constant
admission of partner
albaqualfs
allochthonous swamp
angers
approved estimates
ascensionis
auto steering
automatic synthesis
back-courts
Bacterium avisepticum
be a legend in your own lifetime
beyond the law
blastoformation
bullous detachment of retina
candier
capacitor start
carbamidomethylate
cartopping
category of out-of-ga(u)ge
cerevisiae
characteropathies
Cheilodynia
ciliograde
clawe
coincidence matrix switch
come to grapples with
cumulatist
dipy
donyea
double governor
Drymary
elope with
endurance rupture
enterprise merger
eurowomen
fabric tension control
frequency departure
gas emission rate
gas purifying apparatus
gauffer machine
general management theory
Ground-Truthed
hard to get data
hearable
Hemiboea gracilis
ithout
kronig's steps
Kurile
Lipocarpha chinensis
lovemongers
low-fat diets
main gas turbine
melilotic acid
meprophendiol
micropelecotoides japonica
Ministry of Health
national black media coalition
nuzhenide
orren
Pacific high
pan-Canadian
papingoes
paraconsistent
PCHE
pedal-boats
period matrix
print settings menu
prototypical
pseudo-problems
Pyǒktong-gun
quadroma
rise of the mean water level
rock-cuts
saline floatation method
selaginella doederleinii
senior adviser
smear words
soaking method
sodium dichloro isocyanurate
some enchanted evening
spin doctored
spottinesses
stemlets
stemoine
stopping bar
strip specimen
strombus gigass
syringocystadenoma
Tail-Biting
telecine channel
tessy
theory of baryspheric origin
threatener
tooth ga(u)ge
underrunning bridge crane
uniform strength
whole-bean
wordhoards
Yule block
zone of favourable catch
zymogenous