孕卵发育

-Sheldon: This has nothing to do with religion. This has to do with the fact that you're a tiny, tiny man who still lives with his mother. 这和信仰没有关系。问题在于你是个很小很小的,仍然和妈妈住在一起的男人 -Leonard

发表于:2018-12-07 / 阅读(101) / 评论(0) 分类 生活大爆炸第一季

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(276) / 评论(0) 分类 VOA2003(下)-环境与健康

The boston serbble waterdown looked like a community under siege.the 19 year old suspect one hit in the boston marathon bombing is still on the loose,helicopters hover over head ,there is thousands of federal state and local long forcement conduct a

发表于:2018-12-17 / 阅读(104) / 评论(0) 分类 2013年NPR美国国家公共电台4月

Male nursery web spiders often woo potential lady-friends with gifts wrapped in silk. Mating may ensue, during which a female unspools the present, expecting to find a tasty treat. But the males can be unscrupulous. Some offerings contain inedible pl

发表于:2018-12-24 / 阅读(110) / 评论(0) 分类 Scientific American(十一)月

[00:09.87]44) Edward Knipling [00:15.52]A leading American research scientist died last month at his home in Virginia. [00:22.88]Edward Knipling was ninety-one years old. [00:26.75]Mister Knipling was a world famous expert in the study of insects. [0

发表于:2018-12-26 / 阅读(86) / 评论(0) 分类 美国英语听力80篇

I shall begin at the beginning, said the D.H.C. and the more zealous students recorded his intention in their notebooks: Begin at the beginning. 我从头说一说主任说,积极的学生把他的意思记进了笔记本:从头说一说。 These

发表于:2019-01-01 / 阅读(105) / 评论(0) 分类 美丽新世界

Broadcast: May 13, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. Most people have heard the sound of bees among flowers. Bees live almost everywhere in the world--except the

发表于:2019-01-02 / 阅读(112) / 评论(0) 分类 VOA2003(上)-社会广角

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(102) / 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(131) / 评论(0) 分类 Scientific American(十)月

AGRICULTURE REPORT - Study Points to Risk in Common Method of Enriching Soil By Jerilyn Watson / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. For more than half a century, many farmers worldwide have a

发表于:2019-01-11 / 阅读(134) / 评论(0) 分类 VOA慢速英语2007年(十一)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(115) / 评论(0) 分类 英语美文

Wk 30 (25 July 1978) World's First Test Tube-Baby Is BornThis Week in HistoryLouise Brown, the world's first test tube baby, is born in Manchester, England. In 1978, the world's first test tube baby, Louise Brown, was born in Oldham and District Gene

发表于:2019-01-22 / 阅读(105) / 评论(0) 分类 英语新闻与报道—News and Reports

I have a daughter, Mulan. And when she was eight, last year, she was doing a report for school or she had some homework about frogs. And we were at this restaurant, and she said, So, basically, frogs lay eggs and the eggs turn into tadpoles, and tadp

发表于:2019-01-24 / 阅读(112) / 评论(0) 分类 英语语言学习

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(170) / 评论(0) 分类 农业与发展

This is the VOA Special English Agriculture Report. Experts say that agriculture provides fourteen percent of the world's greenhouse gas emissions each year. The gases released include carbon dioxide, a major cause of global warming. Twenty-one natio

发表于:2019-01-31 / 阅读(148) / 评论(0) 分类 2010年慢速英语(一)月

BEIJING, Dec. 26 (Xinhua) -- The Law Committee of the National People's Congress (NPC) has suggested to delete a controversial provision on banning surrogate pregnancy in a draft law amendment. Lawmakers have quite different opinions over this provis

发表于:2019-02-03 / 阅读(102) / 评论(0) 分类 英语新闻

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(107) / 评论(0) 分类 英语新闻

Raising Oysters In the past oysters were raised in much the same way as dirt farmers raised tomatoes - by transplanting them. First, farmers selected the oyster bed, cleared the bottom of old shells and other debris, then scattered clean shells about

发表于:2019-02-25 / 阅读(103) / 评论(0) 分类 双语有声阅读

The Organic Foods Are organically grown foods the best food choices? The advantages claimed for such foods over conventionally grown and marketed food products are now being debated. Advocates of organic foods -- a term whose meaning varies greatly -

发表于:2019-02-25 / 阅读(95) / 评论(0) 分类 双语有声阅读

托福阅读长难句:怀孕鱼龙群 There are numerous unsubstantiated reports that natural vitamins are superior to synthetic ones,that fertilized eggs are nutritionally superior to unfertilized eggs,that untreated grains are better than fum

发表于:2019-03-01 / 阅读(144) / 评论(0) 分类 托福英语
学英语单词
abusche
Adenophora wawreana A. Zahlb.
AMVI
anamorphic zoom lens
Aymavilles
barometric leveling
Bermo Res.
biboreal
birretta
Brabender torque rheometer
calendrics
can bank
cancileer
cash statement
Chi Bon Dam
coating mortar
colo(u)rimetric reagent
control valve bracket
cross-banding
crystal fineness
cyberfriendships
dance palaces
data-recording amplifier
discriminatory law
disilthianoxy
double volute pump
emergeney ejectioning device
erotosexual
faed
fighting words
flip off
FP synchronisation
gayism
genus Muntingia
giannoni
glyptodont
gobdaw
hematosin
histiocytoid
hoisting test
hypoeutectoid
idling speed fuel delivery
inclined catenary
interior measure
international phot
invoice control
isolating air gap
Ivashkovo
kotwali
lap weld
lead monohydrogen phosphate
lima vulgaris
lindner
main display console
matasar
monogamousnesses
NotLong
nozzle hole cone
operation inspection
opting-out
ore opening
Ostashëvo
p-bromophenylboric acid
parrotbill
peeves
peroxo-
phase change coefficient
phye
power-generatings
private secretaries
prolog programming language
refusion
residual plot
revulsed
Rhododendron selense
s-xls
sarmatian age
sarveroside
second ripening
self-congratulatory
single disk clutch
somnificator
sport ventilation volume
steal in
sulfide (sulphide) facies
switch type
take something lying down
tarnok
teleprocessing system
three-parties
to-from indicator
transannular link
transform juncture
typewriter output
unabstract
vagabonds' pigmentation
ventureone
virtual IP address
von Zeynek-Mencki's test
washable board
window generation
Y-valve