定位受精

10月4日,在瑞典首都斯德哥尔摩的卡罗林斯卡医学院,诺贝尔奖评审委员会宣布,英国生理学家罗伯特爱德华兹获得2010年诺贝尔生理学或医学奖。 85-year-old Englishman Robert Edwards wins the Nobel Pri

发表于:2018-12-07 / 阅读(191) / 评论(0) 分类 60秒科学

They are only a few weeks old, but these octuplets are already the center of public outrage. Los Angeles police say they plan to investigate death threats against their mom, Nadya Suleman. The 33-year-old single, unemployed mother has been getting hu

发表于:2018-12-11 / 阅读(150) / 评论(0) 分类 万花筒2009年

Scientists in Oregon successfully fixed a disease-carrying gene in human embryos. It was the first time this has been done. This small effort could be a big step in preventing inherited, or gene-related diseases. A research team at Oregon Health Scie

发表于:2019-01-02 / 阅读(141) / 评论(0) 分类 2017年VOA慢速英语(八)月

This is Scientific Americans 60-Second Science, I'm Cynthia Graber. This will just take a minute. In vitro fertilization(试管受精) efforts can be helped by oddly enough oral contraceptives .That's the finding from Tel Aviv University, site of the

发表于:2019-01-08 / 阅读(213) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky.Got a minute? The 2010 Nobel Prize in Physiology or Medicine goes to 85-year-old Robert Edwards of England, for the development of in vitro fertilization. The Karolinska Institutes Chris

发表于:2019-01-08 / 阅读(176) / 评论(0) 分类 Scientific American(十)月

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(227) / 评论(0) 分类 英语新闻
学英语单词
affective psychosis
alpha-to-beta ratio
amine adduct
answer by word of mouth
approach toward
bdsc
bending stress fatigue limit
buoyant deck chair
Capelinha
caw
charge pulp
charting techniques
circular muscle layer
claim to be
class words
cohow
cortical areas
Cowperian
Darzo
Dawsoniales
detailed test objective
dimensionally stable anode
drobely
duck feather
dynamic mechanical thermal analysis
ephedrine
ethmoidal cells
excessive cross posting
face belt conveyor
feudalism
field-lens
filss
force along
griffith theory for surface flaws in glass
GTFO
haplotrichum arundinaria sawada
harp-polisher
harvestable
have a smack at sth
hearlson
high-level counting
hooklines
hyperbolic tangent
hypersonic nozzle
hypodermalia
individual products of labour
ion reflection coefficient
Kuridala
ledgements
levomoprolol
line-firing
load monitor
lunarias
maintenance safeguard
marsonek
Marsā al ' Uwajā'
maturation factor
measurement routine
MER-B
mineral paint
module file
mommer
motor area of cerebral cortex
number of documents
o.f.
obIiterative brachiocephalic arteritis
olfactomotor
orthorhombic fabric
overend creel
palmitylamine
passive-sentence
pipe sleeve
plain sail
plasmucrine
plover's page
point-value
pure mechanism
reinterns
rosewood oil
RST code
safety trip beam
Saint-Gedeon
screw-in filter cell
self-synchronizing
sequester oneself from the world
shell-toe
shoeing-smith
sodium alkylsulfinate
solid-iron cylindrical-rotor generator
spiral-eight cable
sunder
take out one's bat
the shakers
Tillaberi
tricentenary
trickling filter high rate
two-unit system
unbarreled
ungutted
upset condition
water-cooled oil bath
zone sharpening