体内受精

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(144) / 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(100) / 评论(0) 分类 万花筒2009年

We known that Fridays are awesome, but you know what todays show could use? A mascot and weve got one coming up for you in about eight minutes. Im Carl Azuz. Lets get to it. First up, top kill. It sounds like something pretty bad. Officials are hopin

发表于:2018-12-20 / 阅读(104) / 评论(0) 分类 CNN2010年(五)月

Unit 53 Dialog 1 I hear you got a new car. What does it look like? It's an eighty four beaut, It's blue with leather interior. Does it have a stereo? Yeah, It got a CD, tape player, and an AM/FM radio. That's cool. Plus it has power windows and load

发表于:2018-12-26 / 阅读(83) / 评论(0) 分类 英语会话速成

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(91) / 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(156) / 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(124) / 评论(0) 分类 Scientific American(十)月

If only I possessed thy speed and strength!said a fox to a tiger.Isn't there anything else about me which would suit you?enquired the latter.None as far as I perceive. Not even my beautiful skin?said the tiger.Its colours are asmanifold

发表于:2019-01-09 / 阅读(111) / 评论(0) 分类 趣味英语

A: What do people usually do to improve the interior of their houses before they sell them? B: Your house looks very nice on the inside, but a fresh coat of paint always helps brighten a homes interior. A: I get confused when trying to pick out color

发表于:2019-01-15 / 阅读(111) / 评论(0) 分类 卖房英语情景对话

500块钱的保时捷 A man was reading the paper when an ad caught his eye: $500 Porsche! New! 一个男人正在看报纸,突然一条广告吸引了他:保时捷500块!新车! The man thought that it was very unusual to sell a Porsche for

发表于:2019-01-28 / 阅读(107) / 评论(0) 分类 英语小达人

A daughter complained to her father about her life and how things were so hard for her, She did not know she was going to make it and want to give up. She was tired of fighting and struggling. It seemed as one problem was solved a new one arose. 有一

发表于:2019-01-28 / 阅读(99) / 评论(0) 分类 阅读空间

By Barry Newhouse Islamabad 24 October 2007 Pakistani officials have drawn up recommendations for ensuring security during the country's upcoming political campaign season, following last week's devastating bombing in Karachi. VOA's Barry Newhouse re

发表于:2019-01-31 / 阅读(101) / 评论(0) 分类 2007年VOA常速英语(十月)

MOSCOW, Jan. 3 (Xinhua) -- The number of conscripts(应征士兵) recruited for the Russian Interior Forces failed to reach the requirement, and the Interior Ministry had to draft ex-criminals to fill the vacant positions(职位空缺), local

发表于:2019-02-05 / 阅读(92) / 评论(0) 分类 英语新闻

A daughter complained to her father about her life and how things were so hard for her ,She did not know she was going to make it and want to give up. She was tired of fighting and struggling .It seemed as one problem was solved a new one arose. 有一

发表于:2019-02-05 / 阅读(106) / 评论(0) 分类 英语美文

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(149) / 评论(0) 分类 英语新闻

奥地利宣布斯诺登庇护申请无效 VIENNA, July 2 (Xinhua) -- The Austrian interior ministry confirmed Tuesday that American whistleblower Edward Snowden had made an asylum application to Austria, but government leaders have declared it inval

发表于:2019-02-08 / 阅读(105) / 评论(0) 分类 英语新闻

导读:人生几何,总有些坎坷需要跨越,总有些责任需要担当,不断的跌倒,才有不变的顽强与收获;不变的风雨,才有不断的历练与懂得。生命的路,不能选择的是放弃的路,不能拒绝的是

发表于:2019-02-09 / 阅读(81) / 评论(0) 分类 英语美文

BEIJING, April 19 (Xinhua) -- State Councilor Meng Jianzhu said Thursday that China and Uzbekistan should cooperate to safeguard the security and stability of the two countries as well as that of the region. Meng, who is also the minister of public s

发表于:2019-02-19 / 阅读(127) / 评论(0) 分类 英语新闻

Voorhies sent samples to colleagues all over the western United States asking if there was anything about it that they recognized. 沃里斯把样品寄给美国西部各地的同事们,问他们是否认得出这是什么东西。 Several months l

发表于:2019-02-25 / 阅读(121) / 评论(0) 分类 万物简史

The American saying, It takes a thief to catch a thief, is more commonly expressed Set a thief to catch a thief in Britain. The latter phrase was first used in a play in the middle of the 17th century, but the idea dates back to Roman times. It can b

发表于:2019-03-13 / 阅读(186) / 评论(0) 分类 英语口语
学英语单词
anti-transmit receive tube
Camowen R.
carragheenan
Casselian
cellular approximation
coignes
coiling machine
cold impact extrusion
combined firing
complete range of six points
conical bottom
coordinated universal times
crown cork finish
cryostats
current ratio regulator
database position
deep-conditioning
demand loan unsecured
dirt slip
double current system
drone aircraft
dynamic dispatching
echevarri
ergotropy
fauches
Fin Stock
fleshhound
flex lance
flexible-fuel
four-seam fastballs
furazan
gas turbine liquid-fuel burner
glass selad
go a great way with
grey level correction
gross yarns
Gross-Zimmern
hair-scalp
holonomy irreducible
homefree
hydrocenosis dependens
impetigo staphylococcic
incompatibility (stout 1918)
infucate
inoffice
insignes
instruction-oriented algorithm
juica
kinetic-control system
latin characters
leaded zinc
LHST (laundry and hot shower tank)
likably
Lomatogonium chumbicum
Loxomaceae
lubricating oil arrangement
manometric flame
mill flow assay
miscredent
mix circuit
my library
outdoor sports
p.r.
parabolic arch
particularism-nationalism school
petroleum gas
prebuy
puccinia kyllingae-brevifoliae
pure exchange
rausch
red-osier
Redon, Odilon
reversed erosion fault-line scarp
rocker arm for valve
scheme of colour
Shaytanka
simple formatting
single bucket loader
single-tube oscillator
smooth cut file
spicy food
sports section
stand by face
statistical regression
Steinmann
stimulated Raman pumping
stratum dentatum epidermidis
summerhalls
the alpss
the pacific coast geosyncline
tong crane
Tuberculum mediale
Tussucat
two busbar regulation
two stage lift
tyrosine transferase
unstylistic
weldsomly
wooden concrete composite beam
WRA (Water Research Association)