施肥制

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(183) / 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(143) / 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(139) / 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(205) / 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(165) / 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(221) / 评论(0) 分类 英语新闻
学英语单词
ablabys taenianotus
action-angle variables
ammount
Arab Abdulla
as soon
assiento
atrophy of eyeball
betossing
border mutual trade management
bright-eyed
chut
COMAFFOR
community construction
compound proposition
Constance, Lake of
cooling in atmosphere
cyclooctane
damage goods
DEU (data exchange unit)
dive brake
drill-blasting method
dynamic precipitator
eccriner
ehrenhalt
electro-bombardment zone melting
electrokinetic moment
elk hound
enclitically
equipped ship
erythroculter oxycephalus
failaka
FCONSOLE
filtering screen
fission semiconductor detector
flight-path deviation
flying moor
flywheel tuning
General Belgrano Bank
glandulae retromolares
Gonell elutriator
group-indicate
hearing aid response
hemispore disease
inhumorously
intersecting lines
invariant cone
jet deviator
keshawn
kotlikoff
largey
lead byte table
lightprinting device
Linguocclusal
link-person
lycium barbarum l
mobin
moment to change trim one centimeter curve
multispectral imagery
Newyoricans
NHP
non prosequitur
open ser mark
Pelican Harb.
pepe seal
perineal fascia
Piombino, Can.di
polygonal rubble facing ragwork
retroperistaltic
reuse pattern
ridesharer
rightnesses
Safīd Dasht
sample recovery
Scabiosa austroaltaica
scan file
schlanger
scream bloody murder
scrupulously
self-checking system
Shangrao
siganids
sitostene
slow accumulation
slow motion hand wheel
small bag packaging
smoke cabinet
starrets
steric interference
SV5
swamp sparrows
sweep rake
syrtis
tallchief
tsinan limestone
tumbling regime
turf mount
U bolt
unassibilated
unseemliness
Walker L.
wave time history
zippable