施肥制度

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(178) / 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(132) / 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(131) / 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(191) / 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(156) / 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(203) / 评论(0) 分类 英语新闻
学英语单词
accumulation value
Actiniaria
Anglical
ankle strap
areial mycelium
ass-hole
at any risk
Baltar
Belisha beacons
Billesdon
bioderived
ceropria induta
CMMA
codium fragile
conjugated bond
copy negative
cortiphyron
crainte
dead-time element
double pleurisy
double-mode cyclotron
elvehjem
employee turnover
error by good faith
extra-fill
extraction packed column
fan page
feedback discipline
foodprint
gauge invariance
genus phylliums
gladstone
gpals
grain - size distribution
grapnel traveling crane
gunnellichthys curiosus
hedonists
heliophotography
imbue
impatiens davidii franch.
in the list
indexed mode
insolvent laws
Internet counseling
La Crucita
limbus spiralis
local equilibrium theory
Maurier
mercurialized sera
mesogean sea
moldweorp
mulberry yellow awarf
negotiable instruments drawn in sets
nictitates
non fission neutron capture
nonsorted polygon
nuclear mine
oligomerisation
one and a half breaker scheme
operand sum
periodicities
phaseisolated busbar
photosensitizing pigment
processing speed
prong-horned
protection measure
purchaseless
qualitative uncertainty
Rami capsulae internae
real-time concurrency operation
recoil line
reserve ratio requirement
ridgepoles
sapphirelike
satguru
scaling chip
secondary flow afterburning
Sendim
sequential unconstrained minimization technique
serial rights
sexual union
shipment to branch office
sinusoide
solid state microwave amplifier
spinal nucleus of the bulbocavernosus (snb)
Staryy Kistrus
sumti
supramaximal
them.
thermoluminescence curve
triconodonts
triple-cylinder gasket
Truphylline
typomorphic element
up-draft boiler
wandering waltz contra
wauve
wave theory
whitewashers
yankee's lifter
Zanthoxylum esquirolii
Zanthoxylum rhombifoliolatum