音标:[ˌembri:ˈɔnɪk ˈmemˌbreɪn] ;
胚膜
词型变化:名词复数形式 : embryonic membranes
【近义词】

Health nbsp; Economics The big story for Washington for 2002 is going to be the November elections. And while that’s a long way off for the rest of the country, it’s very much on politicians- mind

发表于:2018-11-28 / 阅读(123) / 评论(0) 分类 疯狂英语2002年

Agricultural officials say they think an organic farm in northern Germany was the source of the deadly E. coli outbreak that has sickened more than 2,000 people in Europe. Twenty-two people have died. Investigators traced the bacteria to beansprouts

发表于:2018-12-17 / 阅读(82) / 评论(0) 分类 2011年NPR美国国家公共电台6月

New Hope for Spinal Cord Injuries By Patricia Anstett / 2005, Detroit Free Press , Knight Ridder Newspapers. Distributed by Tribune Media Services. A world of patients with spinal cord injuries is wat

发表于:2018-12-19 / 阅读(69) / 评论(0) 分类 彭蒙惠英语

Ecological balance - astable balance in the numbers of each species in an ecosystem. In the ecosystem of the mouth this balance is brought about by competition and cooperation between the different or

发表于:2019-01-03 / 阅读(90) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(一)月

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 健康与经济

This is the VOA Special English Health Report. Bethesda, Maryland, near Washington, D.C., is home to the National Institutes of Health. N.I.H. calls itself the Nation's Medical Research Agency. But it supports research worldwide with its budget of a

发表于:2019-01-11 / 阅读(73) / 评论(0) 分类 VOA慢速英语2008年(十一)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. This week, we will tell about an American study of the brain disorder schizophrenia. We tell about cars that use hydrogen as fuel. And,

发表于:2019-01-11 / 阅读(108) / 评论(0) 分类 VOA慢速英语2008(十)月

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

发表于:2019-01-12 / 阅读(135) / 评论(0) 分类 2016年VOA慢速英语(二)月

By Ted Landphair Washington 26 July 2007 For a second time in a year, President Bush has vetoed a bill that would have sanctioned federally funded stem cell research using human embryos. His stance reflects conservatives' view that destroying life to

发表于:2019-01-12 / 阅读(112) / 评论(0) 分类 2007年VOA标准英语(七月)

(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g. The hydrogen atom is near1y l6 times as

发表于:2019-01-17 / 阅读(56) / 评论(0) 分类 英语口译

英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g

发表于:2019-01-17 / 阅读(66) / 评论(0) 分类 英语口译

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(128) / 评论(0) 分类 经济学人科技系列

Going to bed in icy bedrooms, getting up in icy bedrooms, waiting patiently for Mum to spare a little hot water from the great kettle on the hob so that washing was not a teeth-chattering, painful ordeal. One day small Hal started to cough and wheeze

发表于:2019-01-29 / 阅读(87) / 评论(0) 分类 荆棘鸟

第一招:在电脑旁放上几盆仙人掌,它可以有效地吸收辐射。 第二招:对于生活紧张而忙碌的人群来说,抵御电脑辐射最简单的办法就是每天上午喝2至3杯的绿茶,吃一个橘子。 第三招:上网

发表于:2019-02-03 / 阅读(85) / 评论(0) 分类 阅读空间

Drugmakers and antibiotics 制药商和抗生素 The path of least resistance 最省事的办法 Governments reckon that drug firms' research efforts need a shot in the arm 政府认为需要鼓励药企的研发工作 A GROWING worry in medicine is

发表于:2019-02-16 / 阅读(83) / 评论(0) 分类 经济学人商业系列

在我们的生活中,死亡是我们所有人必定会遇到的事情,无论是家庭成员还是宠物,甚至是你都将有终结之时。事实上,每分钟世界上大约就有100人死亡。但在人死之时到底会发生什么呢?

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 阅读空间

2010上海世博会:日本馆之面观 The Japan Pavilion, which is always among the most popular pavilions during previous World Expos, is expected to attract 17,000 visitors every day,The centerpiece performance of the pavilion will be an opera w

发表于:2019-02-22 / 阅读(105) / 评论(0) 分类 实用英语

Science and technology 科学技术 Microbiomics 微生物组学 A virus shield 病毒防护 Viruses help keep people disease-free 病毒能够帮助人类免遭疾病 THE story of the microbiomethe community of tiny organisms that coexist symbiotica

发表于:2019-02-24 / 阅读(97) / 评论(0) 分类 经济学人科技系列

then, ascending by a ladder to the summit, have a peep down the mouth; 然后,用一架梯子爬到那峰巅去,往下瞧一瞧它的嘴巴。 and were it not that the body is now completely separated from it, 如果它那身体现在不是已跟脑

发表于:2019-03-10 / 阅读(197) / 评论(0) 分类 白鲸记
学英语单词
Acceptable Container Condition
acid-tolerant
anamnestic challenge test
anti-matter
Argyrokastron
automatic request terminal
back-biased
balloon separator
barotolerance
battle axes
blockite (penroseite)
bullion trade
burkards
Calf lick
cargo outturn report
cathodic-corrosion
cellulose nitrate process
Clashnessie
componence
concurrent operating system
conversational system
copy boys
corrosive solution
Corydalis pinnatibracteata
Covedale
crazy-good
crusted theory
dactylopteridaes
data file descriptor
dictats
digital systems
discontinuous system
Dukla P.
Durrësit, Rrethi i
Dzelentsy
ebullio meter
elims
figtree
forest coverage
frequency drag
general risk analysis
genus gomphrenas
geometricization
giartinine
glucogens
Half-Way Covenant
hold responsible
initial boundary value problem
interventionist
ion electrode
kerbs
koji agar
lamprogrammus brunswigi
large angle maneuver
least talk most work
line-of-sight barrage
linear pitch
low-noise level transformer
luxuria
machine-hour rate
marine geological laboratory
Methilanin
mizzonite (mizonite)
monogr.
my good friend
normal profit rate
NSC-38712
orange
order of harmonics
orthonormal function expansion
orthoscanner
overstudying
overswing
page ejection
pantons
parabolic dish collector
Philadelphia Convention
pinocarveol
preparation of locomotive for leaving and arriving at depot
professionals of social education institutes
prone(to)
Pterdactyloidea
qingwei powder
relative twist
repeater range
rough-wrought
semilog transformation
set text
stackable
sterocilia
sub-block
swingletail
technical cohesive strength
Thomas Jackson
thrown up his cap
two-job
usly stated
vertical lift gate
vistas
weather track
wine rack
with a will