聚羧乙烯

Transcript OK. Well I wanna talk about vinyl. Hmmwhy play it cause I dont have a record player. But well Im sat here which you cant see, but Im sat there you go, when I hear it, it will be worth it. here holding a new record. Everyone just laughed at

发表于:2018-12-03 / 阅读(216) / 评论(0) 分类 我想说 I Wanna Talk

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(169) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 60秒科学

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(172) / 评论(0) 分类 科技之光

Vinyl Making a Record Comeback A technology thought to be obsolete only 10 years ago is making a surprising comeback. Like the fountain pen and the film camera, the vinyl phonograph record was thought to be a thing of the past. But not so, says Steve

发表于:2019-01-03 / 阅读(158) / 评论(0) 分类 VOA常速英语2013年(九月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(200) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(209) / 评论(0) 分类 Scientific American(四)月

FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with

发表于:2019-01-11 / 阅读(401) / 评论(0) 分类 2010年慢速英语(二)月

AMERICAN MOSAIC - Hits From Usher, Rush and Josh Turner; Celebrating Vinyl; Your English Confessions JUNE SIMMS: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im June Simms. This week on our program, we play some music from hit records o

发表于:2019-01-12 / 阅读(164) / 评论(0) 分类 2012年VOA慢速英语(六)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(121) / 评论(0) 分类 2016年VOA慢速英语(九)月

Vinyl Records Making Comeback Vinyl records were the main format for commercial music distribution in the 20th century. But the big black disks, called LPs, nearly disappeared after audio cassettes and then digital media, like CDs and MP3s, took thei

发表于:2019-01-13 / 阅读(172) / 评论(0) 分类 VOA标准英语2011年(九月)

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(227) / 评论(0) 分类 VOA标准英语2016年(二月)

ARI SHAPIRO, HOST: There's no better way to hear your favorite done-me-wrong song then on scratchy vinyl coming out of an old jukebox. Those classic Seeburgs and Wurlitzers have mostly vanished from bars and restaurants. But there's one guy who makes

发表于:2019-01-16 / 阅读(152) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(148) / 评论(0) 分类 英语博客 A cup of English

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(195) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(173) / 评论(0) 分类 英语博客 A cup of English

STEVE INSKEEP, BYLINE: Some people who watch what they eat may be overlooking the most important things. Counting calories is a bit too simple. Cutting carbs is a bit too hard. So what can you do? NPR's Allison Aubrey has a different strategy. ALLISO

发表于:2019-03-04 / 阅读(202) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
acer pictum thunb.kalopanax
aerated wine
afraid to say
Allonby
almond of the ears
apparen density
apparent period
AT tailing
augmented sixth chord
belfie
binding point
bull trawler
calibration value
candle cotton wick
centonates
customer opinion
DAGC (delayed automatic gain control)
depletion-layer rectification
detachable bulkhead
devonports
differential white count
effaced
electron-beam-accessed memory
energizing cycle
enlargement factor
ergotocin
fibroreticular
Flavian I Of Antioch
Flueggea suffruticosa
friarbird
front focal point
gaberts
gaseous conductance
gatophilia
genus Diplodocus
global imbalance
glutinant
half integral
heating furnace for blooms
heavy offense
herpesencephalztis
high power satellite
homoneurous
hyphoderma hjortstamii
iron billet
jeffres
job and time control system
kaskattama r.
lego sets
listing paper
mcdaniel
medium pressure compressor
melodidymous monster
minim-
moneyocracy
natural binary-coded decimal system
Neo-Diloderm
Ogilvies
on the north
over - the - counter drugs
overmoderated
P-representation
Pajot's ethods
percutaneous intrahepatic cholangiography
phytomelioration
Pilot Rock
portinari
powered axle
prize fighting
promulgateregulation
pygman
raw information
recursively computable
reference copy
resuscitated
reverse biochemistry
root of red rooted salvia
ruling out win lose
sanctitude
Scilly Isles
skin hyperkeratosis
soil carnivorous animal
speak aside
stegana (parastegana) femorata
susceptibility
Sychëvskiy Rayon
taking together
Tanjong Rambutan
terlinguarite
timorsome
transposed integral equation
tube mill liner
ultramicrochemists
universal center pin
unperch
unprofuse
unseating
vacuum cycle degassing process
walking-around money
xenoglossies
xenon monohalide
yperced