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(91) / 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(43) / 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(47) / 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(64) / 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(53) / 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(62) / 评论(0) 分类 TED演讲教育篇
学英语单词
Adelphan-Esidrex
anesthesiologies
anterior superior iliac spine
Antitaurus
BDV (breakdown voltage)
beading line
Bhesa
bias cutter
broken flange detector finger
browster
c-number
calixes
charge-stroage varactor
co-ordinate formula
colonialize
colour discrimination lamp
contingency perspective
conventional ignition system
copper oxide meter
cross-over track
curling dies
cut down expenses
Cynanchum gracilipes
daishowas
darkie
deepa
ever created
facients
Fargesia qinlingensis
feu-farmer
fixed end wall
fluence
fluxing medium
fosen
full address jump
gaudet
give a good example
graphic output unit
Guir, C.
gun-emplacements
hagseed
Hathor capital
helium absorption chamber
high-bay
histologic lesion
Holland cigar
ice cream cake
inferior wings
interim interdict
IP fax
jammed out
JIRA,J.I.R.A.
Judayyidah
kyoga
laraine
laser video
low-frequency region
mallet finger
marriage brokerage
matsen
microvitrain
misquoter
Muscoidea
Naejangdo
Namsan Park
neoprene rubber
newpoints
no-load lose
objective of water conservancy planning
oleate
oriental and ethiopian realm
Pabetangan
phonetic transcriptions
pier mirrors
plant waste
plastic substances
points of inflection
prior to the expiration of the term
proveditor
repaire
rough and tumble
rule with a heavy hand
S.&S.R.
sceats
science fiction
screwing tap
secretarial education
sparks up
spreading rate
squadronist
strain crystallization
superexchange interaction
sus out
suturae occipitomastoidea
symbiogenetic
tattletale gray
the-naze
tranquillisings
United Ireland
wheat-germ oil
winemerchant
wire communication line