染色体分离

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(194) / 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(130) / 评论(0) 分类 Scientific American(六)月

III. Listening In Task 1: A Friendly Stylist Stylist: Morning, sir. This chair, please. What can I do for you? Nick: A simple haircut: short on the back and sides. Stylist: Very good. I can, of course, do something fashionable for only $60. Nick: 60

发表于:2018-12-29 / 阅读(135) / 评论(0) 分类 新视野大学英语:视听说教程 4

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(176) / 评论(0) 分类 VOA标准英语2012年(十二月)

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(164) / 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(158) / 评论(0) 分类 TED演讲教育篇
学英语单词
accidental depressurization
active runway
adjacent markets
afelimomab
AkATINOL
aleph
aleyrodid
allergising
ARI (alternate rod insertion)
attachment execution
attribute character
Ayrton galvanometer
Bacillus phlegmonis emphysematosae
blow one's own horn
Camellia sinensis var. assamica
cataphora
chedarim
Chimonobambusa tuberculata
chromous phosphate
cocktail-party
coffee-and
communication network
cosmological-constant
crosscut saws
cylinder block
dactylopteridaes
Darién, Sa.del
dicapryl phthalate
dollar overvaluation
Downtick Volume
drop-machine brick
dynamic-coil loudspeaker
femmagist
for all one's pains
gemmiparous
granulomatous slack skin
high voltage terminal
huiler
hungerly
hysteron proteron
indewed
infinitesimal relative displacements
inter-segment
kinetic colorimetry
larios
late-maturity
lautering
Levine, Jack
liquidless
long life operating data
luminous efficacy of radiation
macrocosmic
made men
marine-oriented
mass standard
meggings
Milk R.
multileaved spring
natural gas atmosphere
nerve poison
NFPC
Nile blue A
nonlinear boundary value problem
nontrue
nortriptylines
order-made clothes
out of heart
outdoor training
Phyllodium longipes
pineapple aldehyde
pinnacles
place on the Procrustean bed
prehire
probate judge
pull-over gear
quiescent stage
relations of production
Saccharomyces capillitii
santora
sarcoma of larynx
seedlike
self-taught
single masted s/r machine
sludge boat
solid insulation
soybean variety chippewa
spirit-stirring
SR (study requirement)
St. John the Baptist
stearodiolein
symptomatic roseola
termini generales
thitsiol
tie bar distance
took to my bed
treble staff
trichlorodivinylarsine
tug-rin
underilluminated
ventral ridge
well gate
zebra shark