流化剂

Do you need eight glasses of water everyday? Tring to do the right thing by drinking eight full glasses of water everyday may do little more than making a person run to the bathroom, a researcher said. Newspaper articles, health and beauty magazines

发表于:2018-12-05 / 阅读(138) / 评论(0) 分类 有声杂志阅读

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(180) / 评论(0) 分类 创新英语

20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of person

发表于:2019-01-02 / 阅读(465) / 评论(0) 分类 英语范文背诵20篇

Todays episode concerns a what-you-may-have-been-wondering-about topic. That sure was a mouthful, and it illustrates the problem of stacked modifiers, which occurs when you string together too many words to describe a noun at the end of the mouthful.

发表于:2019-01-02 / 阅读(142) / 评论(0) 分类 英语语法 Grammar Girl

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(232) / 评论(0) 分类 60秒科学

Grammar Girl here. Today guest-writer Bonnie Trenga is going to help us take a break from serious grammar and instead delve into the world of comedysome intentional, some not. Groucho Marx said it best: One morning I shot an elephant in my pajamas. H

发表于:2019-01-07 / 阅读(164) / 评论(0) 分类 英语语法 Grammar Girl

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(十一)月

By Dan Robinson Capitiol Hill 16 March 2007 Former undercover CIA officer Valerie Plame, who has been at the center of a controversy involving the role White House officials played in revealing her identity, has testified in public for the first tim

发表于:2019-01-08 / 阅读(208) / 评论(0) 分类 2007年VOA标准英语(三月)

By Franz Wild Abidjan 24 May 2006 Charles Konan Banny greets villagers in Meagui In war-divided Ivory Coast disarmament and personal identification, the two obstacles to elections, saw partial success in a pilot program this week. There is little si

发表于:2019-01-13 / 阅读(186) / 评论(0) 分类 2006年VOA标准英语(五月)

Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The

发表于:2019-01-13 / 阅读(173) / 评论(0) 分类 VOA标准英语2011年(七月)

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(196) / 评论(0) 分类 VOA标准英语2011年(四月)

By Al Pessin Honolulu, Hawaii 20 October 2009 Command of U.S. forces in Asia and the Pacific and Indian Oceans passed to a new commander on Monday at a ceremony in Honolulu, Hawaii. Navy Admiral Robert Willard said the U.S. commitment to the region

发表于:2019-01-14 / 阅读(123) / 评论(0) 分类 VOA标准英语2009年(十月)

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

发表于:2019-01-30 / 阅读(202) / 评论(0) 分类 英语语法 Grammar Girl

flow vi.流,流动 flower n.花,花卉;开花 flu n.流行性感冒 fluctuate vi.波动 vt.使波动 fluent a.流利的,流畅的 fluid n.流体,液体 flush n.兴奋,脸红;发烧 flute

发表于:2019-02-01 / 阅读(380) / 评论(0) 分类 考研英语

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。 研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

发表于:2019-02-08 / 阅读(107) / 评论(0) 分类 英语新闻

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(139) / 评论(0) 分类 英语新闻

U.S. military officials say they have identified the four Marines seen on video urinating on the bodies of dead Afghan Taliban fighters. The Naval Criminal Investigative Service, heading the main inquiry into the video, has also reportedly questioned

发表于:2019-02-08 / 阅读(184) / 评论(0) 分类 英语新闻

Leaders of the Greek and Turkish communities of Cyprus are starting a new series of negotiations aimed at re-unifying the divided island. Cypriot President Demetris Christofias and Turkish Cypriot leader Mehmet-Ali Talat have begun a series of three-

发表于:2019-02-11 / 阅读(191) / 评论(0) 分类 VOA标准英语2010年(一月)

Can it really be sixty-two years ago that I first saw you? 我们初次相遇,难道真的是六十二年前吗? It is truly a lifetime, I know. But as I gaze into your eyes now, it seems like only yesterday that I first saw you, in that small ca

发表于:2019-02-19 / 阅读(126) / 评论(0) 分类 英语美文

My friend Sarah is a vet. I have asked her to tell us about a typical days work. I am a veterinary surgeon and work for a charity called PDSA, which stands for the Peoples Dispensary for Sick Animals. We treat pets belonging to people who are on stat

发表于:2019-03-01 / 阅读(183) / 评论(0) 分类 听播客学英语
学英语单词
ACAB
accelerating slits
acute infectious disease
Amatansol
american film institute
automatic oscillating spindles chisel mortiser
Best is best cheapest .
Big Mother
bonaccis
cash requirements
catalytic odor treatment
center-console
Centrale, Rég.
cereal-packets
channeler, channeller
charge-density ware
ciatica
circumcentral
combined cutter loader
cote-st.-luc
cribellar glands
crystal-mount probe
cylindrical electrical machine
database access security
database generation program
Dedougou
dichloromaleic acid hemialdehyde
discharging day
dominant eye
dudly
ElectricStatic Discharge
electro-arc contact machine
elshtain
empirical validity
equal advantage
fair-trade acts
fixed setpoint control
frown at
Grazalema, Sa.de
grounded phase wire
half-roll
ILWMI
indoctrinated
infinitesimal mucleus
isononanoyl peroxide
joint facilities income
key tablet
laf
laser-ultrasonic holography
magnetic aberration
make someone's hair stand up on make someone's hair curl
mesenteric recess
mocketh
moie
moniliform hair
moroctocog alfa
multi-modal transport
murrage
nidamental chamber
nonreporting
Northern War
nuances
out off one's gourd
pat entabil ity
perforated fin
play right
positive electrotropism
program restructuring
Prosorhynchus
psychophony
put pen to paper
Pyridoglutethimide
quartz-diorite
raja
raynham
review a parade
sectional warping machine
sleeve resection
sniffier
sound navigation and ranging(sonar)
sound-deadening paint
Spinning a line
spork
spreadbases
standard abbreviation
standardized sample value
Staprocaine
subsonic diffuser
sugarhill
swelling binder
tracer engine lathe
tum
typing head
vaginal sinus
viced
vitis piasezkii maxim.
war parties
western box turtles
White Plains
wooly-haired
yamatocallis sauteri