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(209) / 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(140) / 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(186) / 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(166) / 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(177) / 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(177) / 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(172) / 评论(0) 分类 TED演讲教育篇
学英语单词
A-57132
abbey-laird
additional change
air bond
albizias
alignment of rotor
Allium cepa L.
Anaphalis pterocaulon
Arsenyevo
atmospheric dilution
Bakewell I.
biofiltration
bus priority structures
business prospect
calmative
carbolmethyl violet
central function department
children's services
chinese teletype
Chrysosplenium chinense
colloid pseudomilium
conveyingefficiency
cortical fibre
dental crest
etho-
export and import price survey
femur head
fiesoles
for pleasure
fractionating efficiency
fruit pulp centre
fruit stall
Gillenia trifoliata
goosey, goosy
Gothicises
hinchley
hootchykootchy
horizontal drilling machine
hypsarhythmia
Icelandic Sheepdog
incoming overhead ground wire
indulgiate
irreligionists
isotopic-activated
L.C.C.
Labrador lung
level alignment
lever roller
lolikon
maculosine
make no claim
metallic mesh
metering in control system
midlag
mortne
movable (core)cage
Mursan
non-fried
Norprolac
nucleopetal movement
of poor quality
optimum scale integration
organizing of resources
partial CAV
periodizing
phytoparasitology
port-access coronary bypass surgery
post-like
precession and nutation correction
pseudo-phase-conjugate
pseudoginsenoside
radices podophylli
rectangular space coordinates
recurring
reduced suspension
scaled down
scorewriter
single-row deep groove ball bearing
smoke pipe casing
sonascope
squirarchy
statics
stern-drive
streptococcus feline
supplementary instrument
symmetrical position
taffias
Taymyr
uic standard rail
under the arm
ventilated flight clothing
vitellozzi
water platter
Wessel Islands
white fibers
widowman
wire haired fox terrier
wishful thinkings
wood extractive
woolding
you can talk
yvonna