音标:['әuvә,fә:tilai'zeiʃәn] ;
施肥过多

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(122) / 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(75) / 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(80) / 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(130) / 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(98) / 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(123) / 评论(0) 分类 英语新闻
学英语单词
22-dihydrostigmasterol
a Procrustean bed
a-smear
Aarburg
acibenzolar
alternative switch
amesure
amorousness
anaiteum (anatom)
antifoulants
Baalath
Bacterium stanley
biotherapeutics
blobfish
book-jackets
borstal(l)
bottom contour
bubble population
bubblegum pink
business quarters
calcium-aluminumsilicon alloys
cantilever jack-up drilling unit
cauda helicis
Clowne
cmod
cnb
COM plotter/printer
component tone
crossbloods
crystal chemistry
cytotaxis
daycation
defaulted bond
diametral vibration
dichlorophenol dihydrochloride
Elsholtzia bodinieri
eva-maria
for all one is worth
genus Periploca
Gorno Morakovo
group n
Hau Loc
heterozygote screening
huzza
hydrastinines
jermal
job time report
La Barre-de-Monts
leuk(a)emia
limosa limosa melanuroides
litsoeine
locking-washer screw
MAC Layer
manganese concretion
manteine
metastyle
microangiograph
migration demography
misapprehensions
mnemonic identifier
moneymaker
nedims
nucleus generation
omniscience
paenibacillus
partial tax transfer to local government
path coefficients
pH transducer
polidor
post-sales
postapproval
principle of correct application of the law
printer control markers
pronounced
prospecting audioindicator
rattle a big drum about
ravished
Renaison
roller skated
sagittal image
set fire to something
slow replacement
slow-running jet tube
spectrum renormalization
steering column universal joint
suction curette
tattis
tightness of stitches
time-sharing keyboard printer
topologies
torque fluctuation
transannular polymerization
tung hull meal
twentyfour
unconcrete
visoko
voorhees
whaaas
whale calf
wheel alignment gauge
xylenol
yenite (ilvaite)