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
a gold digger
Actinomyces albus
alidade protractor
anosteoplasia
answering-machines
anticontracture
caulicolous
centre pattern
Ceropegia trichantha
cold mirror reflector
colo(u)r center
concrete gun
Cooper Heights
copperspun rotor
cost model
cross over analysis
cyberspatially
dern
disard
dum casta vixerit
dynamic data exchange
dyslogistically
eccentric friction
EGDN
ex abrupto
exchange of foreign money
eye worm
fall back
family syngnathidaes
field-effect chopper
filicauline
financial settlement
foillined
foliar spray
gang-die forming
general current funds
gill pouch
goulden
haygarths
hik
infeasible program
installation specifications
interrenal organs
intersection exit
intracranial teratoma
intracrystalline fracture
japergonsi
lamarum
lauric alkyd resin
layers and backers
lifejacket stowage
line-connectivity
Malyy Ayev
map room
matter travel
median incisura
mentasti
meridional difference
Metachamosite
modal stacking
nanometal
non-commutative integral
nuptial feeding
oblique wing
Orawka
oscillating series
part by
pedagogic algorithm language
petroleum coke,low sulphur
phenylthiohydantoin
phonable
piston meter
poke-pudding
polyarylate
pseudohyperbolic
quenched glass
reconnaissance photograph interpretation
reentry permit
Sabia emarginata
safe distance
Salvage by Stowage
sat chit ananda
semikon hydrochloride
small money
Sotuta
stark naked
status message
strychninonic acid
subanal plate
sum-of-product form
talarian
tea pot
throw oneself at someone's at the head of someone
Ti-n-Zaouâtene
tin sandwiches
torsion-free module
total amount of turnover
umbonulate
unscapable
Vorschule
wig-makers
Yodǒk