孕卵发育

By Nancy Steinbach Broadcast: October 29, 2003 This is Faith Lapidus with the VOA Special English Health Report. Some estimates say that one in as many as eighty-thousand of all births results in two

发表于:2018-12-15 / 阅读(209) / 评论(0) 分类 VOA2003(下)-环境与健康

TBBT101-3 生活大爆炸之精子银行(3) Leonard: Well, what do you want to do? Sheldon: I want to leave. Leonard: Okay. Sheldon: Whats the protocol for leaving? Leonard: I dont know, Ive never reneged on a proffer of sperm before. Sheldon: Le

发表于:2019-01-05 / 阅读(34) / 评论(0) 分类 看美剧学英语

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(47) / 评论(0) 分类 Scientific American(十)月

许多人都希望自己能变成更聪明。这也是各种健脑、补脑药品和营养品大行其道的原因。普林斯顿的一位神经生物学家Joseph Z. Tsien则宣称找到了开启智慧之门的钥匙基因。 Many people dream of hav

发表于:2019-01-17 / 阅读(43) / 评论(0) 分类 英语美文

DEVELOPMENT REPORT - Infertility in the Developing World By Jill Moss Broadcast: Monday, March 22, 2004 This is Bob Doughty with the VOA Special English Development Report. A man and a woman are consi

发表于:2019-01-30 / 阅读(99) / 评论(0) 分类 农业与发展

Oocyte cryopreservation, or egg freezing, is a procedure where a woman's ovum are removed, frozen and placed in long-term storage. When the woman is ready to become pregnant, the eggs can be thawed, fertilized and transferred into her uterus. The tec

发表于:2019-02-18 / 阅读(48) / 评论(0) 分类 英语新闻
学英语单词
a one-night stand
activate key
alphameric instruction
angioclast
arcarrester
assigned cause
auxiliary support
be scared out of one's wits
beelings
bell dome
bid inquiry
blunt object
children born alive
close of pleading
compound statement syntax
compression deformation
concave friction drum
corycaeus (urocorycaeus) longistylis
cotton covered
counterrounds
cumi-cumi
dangerman
democratical
difference table
digital control drawing
display type
disruptive technology
dougies
eddy-root
exclusion of liability
family betulaceaes
family elaeocarpaceaes
fructigenin
Gaspar, Selat
geezery
general average disbursements insurance
ghost slug
granulopectic
hafflin
handytalkie
heat shielder
heptalde
high phosphorous cast iron brake shoe
HIRC
hydraulic knife splitting machine
inductive disturbance
inoramant cost
input processing
intermediary bank
jack lead
junkets
length shear ga(u)ge
lies behind
lightweight vehicle
listera convallarioidess
machacas
man-machine harmony
Mauna Loa
meatworker
metamorphic subfacies
misdoes
Myshkino
ninth cranial nerves
nuclear energy oil production
numurkah
optical search mode
oxidation-inhibited oil
parallel algorithm folding method
pentagona
Pick up ratio
piezo-electric frequency
plowed up
policy of the big revolver
pool-room
positive feedbacks
presbyotic
pretranslation program
primary power
pseudomass
psychrophilic organism
rainbow fishes
residual loss
route signaling system
Saccoccio
scarabaeid beetle
Skórcz
smackful
soekaboemi (sukabumi)
status codes
steel (containment )shell
Teprin
thaw depression
the unthinkable
theosalicin
training program inadequacy
two-stroke cycle engine
type segment typewriter
uncovered cheque
wave-number difference
wheelless plow
white nickel ore