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(188) / 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(126) / 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(171) / 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(145) / 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(153) / 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(156) / 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(154) / 评论(0) 分类 TED演讲教育篇
学英语单词
2-methylpropanenitrile
angular gauge block
appendages of mastoid proces
ariberto
ask an account
autolean
azimuthal rotation
Baita
basalt clay(basalt wacke)
beta structure
biohydrogen
burnet saxifrag
cairas
calcinatories
catenochytridium hemicysti
chafford
chromatic overcorrection
clidinium bromide
Clive, Robert
conduit spillway
conshelf
consumption residues
declaration of agreement
Desclidium
disappointed with
durandin
dynamic reservoir capacity
E & E
economic performance
electricity pylon
equal-pitch contour
euro-loans
evernormal
excarnates
expelee
family Cruciferae
flere nut
flosculent
forces in the roll throat
forward rotation
frame-grabber
genome project
geologue
half oval controller
hectoliter (hl)
horsebrass
intraperitoneal
jemmy
ligameata palpebrale externum
lightener core
logic schematic
Longwangmiaoan Stage
lung-sac
Machilus breviflora
make them
manual toning control
matterhorns
meetsuk
Methabromin
mode shift
neomarica northiana
neural medicine
obrute
option button
overarches
palm something off
pottsville age
preparation of cathodes
programming techniques
pseudocentipede
quasi-harmonic vibration
redirecting number
right-left disorientation
school placement
section forces
sediment percentage
seggie
self propelled chassis
set system algebra
sex sense
shaomai
single-server system
smudger
snarfed
soft handle
spirosecokaurene
square tool post
stencil buffer
step strobe marker
sujets
synasidia
thiolysis
tinctorial substance
transom drive unit
trattler
turbine vibration
two-price
type I of cori
vacuum-operated spark control
Viedma, L.
womon
word identification problem