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
abridgeable
absolute value
age-grouping
anopheles (anopheles) lindesayi pleccau
anterolateral groove
Ayrshire beauxitic clay
Berkhamsted
bispherical lens
book review digest
Bowman B.
bromobenzenes
Builth Wells
cdesign proponentsist
chart lines
class Cephalopoda
complete conservation scheme
congruent point sets
cooling drum
crop loan
crossindexing
crowing
cutting burner
cyanidin(e)
Damaraland mole rat
daytime-only station
dcdas
dimsons
egregious folly
electric drive
embodied technological progress
Epilunatum
exemption from postal charges
fallow deers
Gbin
genepools
genome theory
grass thermometer
gravelliness
groove end
hanging load
immune cell
in connection to
intracrustal
inverted configuration
iridate
job-protection
jump-off (autogyro)
junshengs
lastages
long locking piece
lot-line wall
magnetic field configuration
marine pollution control
masjids
MFM encoding
microcomputer-baseds
multi-occupation
Mysida
offsetting deductions
one's hands are tied
organic lesion
orthotomous
out and in search
out-groups
pelfrey
pentode amplifier
PERAMELEMORPHIA
phosphopeptides
PPSN
progressive averages
push sth to an extreme
quasi-limited existential quantifier
quibe
reduction to the pole field
rock schistosity
round nose
schistocormia
semicarbazido
service craft
shotland
sieve lobe
stevies
submarine-launched
subsec.
sungei
swensons
talia
tamboen
ternate vein
toad-stool
trabecul? lienis
transient level
trellis-coded modulation
tuning device
two-ball compounds
U.S.Petroleum Strategic Reserves Program
ulcer-cancer
uncorrelated sample
usac
vibrohammer
viscous displacement
yakitoris