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
Achet
Alcelaphus
alpha adrenergic response
analogous system
androsymphia
apyrous
arrival quality
audio/video interleaved file
barter with
beef hammer
belt humidifier
bombace
books registration certificate
carbon dioxide cycle
cash purchases
checking weight by volume
chickny pea
Chinese parsley
cloth-work
cordis bulbus
cornetist
cost plus contract
crown sardine
cynometra cauliflora wall.
data comparator
data-modelling
decency lobby
digital storytelling
efficiency dip
essential drugs
external boundary condition
fat solvent
femtolumen
flow measuring structure
follow like a sheep
fructos
fuel brick
functional cardiac murmur
gluciphore
grub and bub
highway traffic nuisance
Hrvatska Kostajnica
indicating cycle
indicator screen
indoleamines
internal shaft
jagged-edges
Juncus pauciflorus
launder separation process
leisk
lepisorus megasorus
liquid core optical fiber spectrophotometry
locrian scale
market malpractice
marking ink
medium-speed data channel
metallic structures
milkstone remover
molding shop
monadoid life phase
moving control function
multi national enterprise
NCE
net estate
non-livings
non-lubricated
oculi bulbus
open-style
para-tellurite crystal
perfect black body
Petrockstow
portable electrostatic painting machine
pothead-type transformer
prelaunch
programmed market economy
protocolises
Qaddafist
QCCA
radiation characteristic
randia acutidens hemsl.
reactor core baffle
realization statement
saw tooth clutch
SCRAD
self-destructing email
slitlike
sohm
special settlement
sternal crest
subsid
swap in
Tayeeglow(Tigieglo)
ten-day average
there is not much in
train stations
types of death
unit ventilator
vah
VODACOM (voice data communication)
water chickweed
wegher
zero mobility position