细胞膜

Rachel Lee: The housing market keeps losing steam. Sales of previously owned homes fell 5. 7% last month according to the National Association of Realtors. If you're looking for a house , the group's

发表于:2018-12-05 / 阅读(77) / 评论(0) 分类 商业报道2006年

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(82) / 评论(0) 分类 Scientific American(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(112) / 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(139) / 评论(0) 分类 2016年VOA慢速英语(二)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(61) / 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(72) / 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(131) / 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(91) / 评论(0) 分类 荆棘鸟

Death, it seems, is rather a complicated affair, this is what your body goes during and after. 死亡似乎确实是很复杂的一个过程。我们一起来看看尸体将经历怎样的变化。 1.The last bit of oxygen in your body is used up, an

发表于:2019-02-01 / 阅读(88) / 评论(0) 分类 趣味英语

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(94) / 评论(0) 分类 阅读空间

Researchers in Sydney are leading a new international effort to make desalination more environmentally friendly. Current techniques tend to use excessive amounts of energy or are heavily reliant on chemicals. The University of Technology in Sydney is

发表于:2019-02-06 / 阅读(95) / 评论(0) 分类 英语新闻

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(86) / 评论(0) 分类 经济学人商业系列

A killer in close up 杀手在敲门 You can do a lot of damage with just seven genes 七个基因,祸害无穷 EBOLA is a simple virus, but also a subtle one. The stringy looking particles consist of a genome wrapped up in two layers of protein. T

发表于:2019-02-17 / 阅读(44) / 评论(0) 分类 经济学人文艺系列

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(110) / 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(109) / 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(101) / 评论(0) 分类 经济学人科技系列

Another thing that can be very, very, very successful is 另外一件将会是非常非常成功的事情就是 there is a lot of people that may have retired from working in the software industry, and they can teach your kid. 我们国家有很多很多

发表于:2019-03-04 / 阅读(135) / 评论(0) 分类 TED演讲教育篇

Amd of course, you've just heard and you already know that we're running out of antibiotics. 当然,你一定听说过,而且你早就知道了,我们快要没有有效的抗生素了。 Bacteria are incredibly multi-drug-resistant right now, a

发表于:2019-03-04 / 阅读(85) / 评论(0) 分类 TED演讲教育篇

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(199) / 评论(0) 分类 白鲸记

I think that all this indirectly proceeds from the helpless perplexity of volition, 因此,我认为,这种种由于意志纷乱无能而间接产生的现象, in which their divided and diametrically opposite powers of vision must involve them

发表于:2019-03-10 / 阅读(206) / 评论(0) 分类 白鲸记
学英语单词
a dead lift
alantom
alkaline saline soil
ant'em
Archimedes valuation
asdu (asdhu) i.
atmsfera
atrium cordis
beheaded stream/river
bellman
binomial density function
blood replacements
blue-ball
bobily
Bouveret's ulcer
braziel
business bank
canfosfamide
catadicrotism
Chamberland filter, Chamberland candle
colostrum gravidarum
congressional district
conjugal visitation
country-based
debusses
dial indicator (gage)
distributor driving sprocket
Donaldson's butter
dorsoposterior
emergency phone
etherise
eupraxic
Fengshan Formation
fork coupler
Galveias
geometries
glen
godber
governor drive torque
Gynura crepidioides
hesperis matronaliss
high-load
home shopper
hyphydrus lyratus
I vote
index detector
inferior frontal gyrus
irradiation test
Josquin Desprez
keleusmatically
laboratory staining
longlinensis
madecassoside
MINOGUE
monoclinous
motor-bike
mountain buzzard
Nazification
objective average
oculomotor paralyses
optical disks
order-disorder polymorphism
Paschen
perimete
Phyllostachys aurea
plate finishing machine
PMIS
pointer gage
poly A
publication contract
quick vinegar
raising by sealing patching and pumping
rehearsal of all region
remeable
request stack
rotary erase amplifier
Sanggau
schoeck
screw antenna
shot group
sloosh
St.
stack on an act
status filter
Stenopelmatidae
suggest
supraaquatic moor
supraverge
Swenson-Walker cryctallizer
tabled fish plate
take-up hub
tear loose
tractive chain
unit price analysis
vacuum double drum dryer
varments
vasocorona
works accountant
WSDL
yarn withdrawal force
zboson
Zimm plot