胚轴

Modern Living The Seans' Caged House Sean (husband): When an architect designs a house for themselves and their family, they have to attempt to 1)accommodate those, needs of the family. That's that's

发表于:2018-11-28 / 阅读(222) / 评论(0) 分类 疯狂英语2004年

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(428) / 评论(0) 分类 历年考研英语阅读理解

Imagine being able to override Mother Nature and hand-pick the physical appearance and intellectual traits of your unborn child. Well, thanks to modern science, what may seem far-fetched now could be

发表于:2018-12-11 / 阅读(120) / 评论(0) 分类 万花筒2006年

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(十二)月

axis, ['ksis] n 轴(虚构之线,如地轴,坐标轴) 【记】i象虚线-虚轴

发表于:2018-12-30 / 阅读(136) / 评论(0) 分类 不择手段背单词

Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,

发表于:2019-01-07 / 阅读(220) / 评论(0) 分类 英语讨论

Misconception. A stunning story especially for couples having trouble having kids. One Michigan couple learning that their frozen embryos were gone, implanted into another woman by mistake. They were understandably flooded by the news -- or floored b

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 CNN2010年(五)月

If the human genome is the book of life, then Crispr technology is its Microsoft Word. The cut-and-paste technique, invented only three years ago, can be used on fledgling genomes to snip out bits of DNA and, if required, insert new stretches. 如果说

发表于:2019-01-08 / 阅读(132) / 评论(0) 分类 英语新闻

By Gary Thomas Washington 16 October 2006 A Japanese woman reads an extra special edition newspaper reporting about North Korea's nuclear test, distributed in downtown Tokyo, October 9, 2006 North Korea, which recently conducted an underground nucle

发表于:2019-01-12 / 阅读(352) / 评论(0) 分类 2006年VOA标准英语(十月)

RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A

发表于:2019-01-16 / 阅读(154) / 评论(0) 分类 2017年NPR美国国家公共电台3月

ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into

发表于:2019-01-16 / 阅读(149) / 评论(0) 分类 2017年NPR美国国家公共电台9月

英语写作中的常用句型

发表于:2019-01-17 / 阅读(177) / 评论(0) 分类 英语学习方法

第一部分 常用于引言段的句型的2类表达方式 一、议论文常用句型 1. It is a fact that. 2. It is well-known that. 3. There is no doubt that. 4. I think that. 5. Contrary to the popular thought, I prefer. 6. Some people say/belie

发表于:2019-01-17 / 阅读(188) / 评论(0) 分类 实用英语

Now have you sinned since our last broadcast? The Catholic church is worried people aren't taking sins seriously enough. So the Vatican has decided to update its list of the seven deadly sins. But whereas the focus of the traditional sins--LUST, GREE

发表于:2019-01-30 / 阅读(217) / 评论(0) 分类 英伦广角

By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of

发表于:2019-01-31 / 阅读(240) / 评论(0) 分类 2006年VOA标准英语(七月)

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

发表于:2019-02-05 / 阅读(284) / 评论(0) 分类 阅读空间

Reporter: A universal two-child policy is expected to be passed by the top legislature by the end of the week as it concludes its latest bimonthly session on Sunday. The new rules would come into effect on January 1. Zhai Zhenwu, Head of the China Po

发表于:2019-02-06 / 阅读(121) / 评论(0) 分类 英语新闻

During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa

发表于:2019-02-06 / 阅读(144) / 评论(0) 分类 新西兰英语

Brave New World by Aldous Huxley Chapter Eight OUTSIDE, in the dust and among the garbage (there were four dogs now), Bernard and John were walking slowly up and down. So hard for me to realize, Bernard was saying, to reconstruct. As though we were l

发表于:2019-02-16 / 阅读(136) / 评论(0) 分类 有声英语文学名著

Leaders 社论 Gene editing 基因编辑 The baby crisperer 婴儿保险盒 A Chinese scientist claims to have edited the genomes of two babies 中国科学家声称已成功编辑两名婴儿的基因 Humanity's power to control the four-letter code

发表于:2019-02-25 / 阅读(117) / 评论(0) 分类 经济学人综合
学英语单词
active cavity
affect composure
akpan
antiribonucleoproteins
baseband branching station
bean -eater
Binabiburg
block control word
blown your top
bulbous focus
byos
capacity optimization
catalytic attack
clearing out drop
combine-harvesters
completism
cuticle liquid
d-size
Disopromine
displacement of hilus of lung
dissector
drownable
dual-status tax year
duumviri
echelon dissection
eoandeside
financial ability
Firmiana major
force fed auger
French India
fueling injection pattern
glow switch starter
hauncing
heydays
hitting off
Homatromide
homology group of manifold
hydroxybenzene
hypermorons
ignition plug
illite(hydromica)
inferior rectus
information explosion
institution of legal verification
irish peoples
kangany
Keller-Blake splint
last item
line retrace
loose sintering
mooring facility
Newton Solney
Nirex
nylon gear
of the opinion
offset bombing
open the sluices
optimum thickness
orthodromic
orthogonal cone
orthotrian
overrunning coupler
overwordiness
paduca
paper-hanger
pentasternum
phosphite
photoelectric portable probe reader
piggy back system
pneumatic compressor
positive causal relationship
pre-s
probableness
production well
pure flow
rain proofness
Rapidan
revaporise
Rhododendron sutchuenense
Sabina squamata
sallow-faceds
saumon
screw and nut steering
screw-in type
sealing wire
smallaw loan law
socket head
Southern Lueti
spot-welded joint
stability triangle
subinvolution of breast
succinimides
symptomatic reaction
Tacora, Vol.
testicles
tetradymous
the course of true love never did run smooth
throat sprayer
transportation technology
ultraviolet and infrared ray lamp
unaffected by temperature fluctuations
yukawa meson theory