染色体纤维

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(65) / 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(32) / 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(43) / 评论(0) 分类 VOA标准英语2012年(十二月)

By Jocelyn Ford Banda Aceh 08 February 2007 Newly-elected Governor of Aceh Irwandi Yusuf, second from right, and his deputy Muhammad Nazar, right, are congratulated by officials after swearing- in ceremony in Banda Aceh, 8 Feb 8 2007 A former guerill

发表于:2019-02-04 / 阅读(105) / 评论(0) 分类 2007年VOA标准英语(二月)

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(34) / 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(30) / 评论(0) 分类 TED演讲教育篇
学英语单词
a hundred
achievement-commended
ACWRRE
afterpulses
airy toys
amount of foreign exchange overbought
arc dome
Bartlett(pear)
bioassay of semiochemicals
Biňang
boulevards
calgary
chasmo phyte
Chologaster
command control block
Conata Junction
constant-pressure process
cool as a cucumber
corporis uteri cavum
cranated
cutwals
demicolporate
dermatophytosis
dry bed
edubabble
end-means chain
enquirer
entitlement account
epigraphic
euphranta (euphranta) sexsignata
farmscrapers
fibrohistiocytic
ficklenesses
filament-wound
for choice
get on the brain
gorsies
graphic user world
guide catline
hemangioendothelioblastoma
hydrotreats
indues
insect(icide) oil
iringo
landing pad
leptolejeunea picta
lexical association
leysshe
macao special administrative region
MAD (multiple access device)
magnetostrictive material
Maria Mitchell
Martian soil
Masturah
material resources
meadow moor
mechanistic photochemotherapy
med school
memorandum of balance sheet audit
mixed spring
modulation diversity
otative cylinder
oviparae
Pacific Northwesterners
panhellenion
paraphrasia
phytoclimatic
Platt.
power collection
power distribution reduction gear
pro-forms
pulsating strain
quotidian malarial fever
radical mastoidectomy
raysing
rent-a-cars
repolish
reproliferate
ring modulator
Roosevelt, Anna Eleanor
run-time storage administration
schwe
sea-mouse
separated function type synchrotron
soil-profile characteristics
source form
spalacidaes
stacy
stereostatic
stick-resistant
stroke counter
tainment
the heat of the day
thermal halo
toolers
top center plate
trichomma nigricans
unshatterable
Vanhoui
variation diagram
ventilated shelter
Villa Rosario