弹塑性聚合物

BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. BOB DOUGHTY: And Im Bob Doughty. Today we remember Hurricane Katrina and tell about the science of severe ocean storms. (MUSIC) BARBARA KLEIN: Many Americans are ob

发表于:2018-12-15 / 阅读(57) / 评论(0) 分类 2010年VOA慢速英语(八)月

Amber: Hello, I'm Amber, and you're listening to bbclearningenglish.com. In Entertainment today, we listen to an interview with the Canadian writer Alice Munro about her latest collection of short stories, The View from Castle Rock. Alice Munro has

发表于:2018-12-19 / 阅读(43) / 评论(0) 分类 Entertainment

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(84) / 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(111) / 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(99) / 评论(0) 分类 Scientific American(一)月

Halloween is a good time to celebrate the stories of Edgar Allan PoeWritten by Shelley Gollust (MUSIC) VOICE ONE: Im Steve Ember. VOICE TWO: And Im Faith Lapidus with PEOPLE IN AMERICA from VOA Special English. Today, we tell about Edgar Allan Poe, a

发表于:2019-01-02 / 阅读(104) / 评论(0) 分类 名人轶事

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(95) / 评论(0) 分类 60秒科学

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(115) / 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(101) / 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(144) / 评论(0) 分类 Scientific American(四)月

A guided tour of celebrity museums in the U.S., including the Lucille Ball-Desi Arnaz Center and the Stoogeum. Transcript of radio broadcast: 01 June 2008 Welcome to THIS IS AMERICA in VOA Special English. Im Steve Ember. VOICE TWO: And I'm Faith La

发表于:2019-01-11 / 阅读(106) / 评论(0) 分类 VOA慢速英语2008年(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(64) / 评论(0) 分类 2016年VOA慢速英语(九)月

The success of the M-Pesa mobile money system in Kenya is attracting the attention of development experts, aid organizations and companies seeking to replicate its effectiveness. An award-winning advertisement for M-Pesa shows money flying from a smi

发表于:2019-01-14 / 阅读(53) / 评论(0) 分类 VOA标准英语2011年(二月)

'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(144) / 评论(0) 分类 VOA标准英语2016年(二月)

People, working every night and day Never give yourself no time Got too many bills to pay Slow down, nothings gonna disappear If you give yourself some room To move to the music you hear Gotta get up, listen to me Clappa your hands, stompa your feet

发表于:2019-02-11 / 阅读(92) / 评论(0) 分类 The Voice 美国好声音

音乐咖啡厅:Bosson - Efharisto 相关介绍:Bosson是瑞典流行天王,他的歌迷遍及世界各地,尤其在俄罗斯,乌克兰等东欧地区更是人气火到一塌糊涂。那首地球人都广为皆知的One In A Million将Bosson迅

发表于:2019-02-18 / 阅读(144) / 评论(0) 分类 音乐咖啡厅

[intro:] woah yeh yeh yeh courtney! whatever man, everyone does that adlib ha! now girls, what we gonna call these guys that dont like it raw? [verse 1:] you can adore me on sunday, as sundays my only day off you know that i dont wanna hang with no s

发表于:2019-02-20 / 阅读(49) / 评论(0) 分类 英文最新流行歌曲
学英语单词
air contaminant
arteriae facialis
Attapeu
ballast arrival condition
bastard reed
be sick with worry
buckerels
buttress weir
Cabangan
calcography
canstick
Cantani's serum
Carduelis cucullata
child pornographies
chinese veterinary medicine
collodion lacquer
color addition
command line operating system
contact carcinoma
country of consignment
dawdon
dehmer
delivery of the property
discount on exchange
drawbar
drawthread
Dunure
electrothermal process
enzyme resin
equianharmonic curve
ESOPs
ethanal acid
first polocyte
fly-press
fruitarian
glunase
hardware interrupt facilities
Harrod growth model
he who pays the piper calls the tune.
HIF
Hilary,Saint
if it weren't for...
infinite lag smoothing filter
Ivashka
kicked over
lamier
lay plans
lemon-flavored
ljudevit
load barrow
lymphomatosis granulosa
macrofaunal
microcolonies
modular two addition
molecular formular
oil extraction plant
parauterine organ
pasta picis carbonis
photo-thermo-elasticity
phytolaccinic acid
podophthalmites
potassium N-hydroxymethyl-N-methyldithiocarbamate
pre-developments
precisely
pridmore
propeller airplane
protocol function
radio aeronavigation
recruitment frequency
recurrence caused by dietary irregularity
repayment period of investment
resale of concessions
return beam
RTE
scree vegetation
sectionalized single-bus configuration
sedentariae
sift-proof bin
single-factors
space food management
space-charge mode
split knob
stereomeride
stowage of container
strip mining development
sumas
support functions
testicular sarcoma
theuniss
thrombotic gangrene
transmitter automatic controller
triacanthin
ultraviolet stabilization
unlawful activities
urology in childhood
venkes
vibrational resonant disk
warstle
watching out
where is it
written resignation
YMAK