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
Actomol
address, effective
aerobic
aluta
archangelicin
arvees
astera
band of tyre carcas
Beshkent
bissextile day
blockade-runner
bridged the gap
calcareous sponge
canal surface
cancellation of licences
carboloy pile voltage regulator
chamfered joint
chattel mortgage bond
cholangia
cold compression method
contour of equal loudness
control rod drive stubtube
costarred
cyclic adenylic acid
Dampal, Gunung
definition free path
Donatist
dorsal groove
dry snow
El Trapiche
electric heater unit
es layer es
ese
estimate in
exclusive-OR
female prostates
file system
fogge
forecasting of fishing and oceanographic conditions
fungisterol ergosterol
hamburger menus
headaches
hedts
high resistance barrier
highest good
historical high
historicize
hypoplastic digit
idars
impairing
initial plan
inverse association
janthinit (ianthinite)
kiss plate
labialpipe
land trust
leave sb on the mat
library service for the aging
Llangendeirne
Lyonnet's gland
machilus japonica kusanoi
Meulengracht icteric index
micro-battery
microscope hardness tester
midlife
MSV-BV (main stop valve bypass valve)
musculus rectus capitis anterior minor
naked possession
napkining
node potential vector
nonesoteric
nonsynchronized
novellis
obligatorinesses
oceanic whitetip shark
origin of the electrical installation
oversophisticated
paper aeroplanes
peripateticss
permanent disturbance
plasma arc cutting machine
President Hoover
price adjusted value
projects meeting all quality standards
reflected halo
regulated voltage
respirator
rose bug
row crops
SCOLSHIP
smeat
solidifying segregation
Sulawesi Tengah
sull
time buyer
unpressured
ventotene i.
well-paved
wenhua
what's the score?
white-coat hypertension
wild leeks