[化] 反式有规聚合物

This is the VOA Special English Health Report. New York City wants to fight fat. The Board of Health has passed a ban on trans fats in all restaurants. Kentucky Fried Chicken sells a fried chicken fre

发表于:2018-11-27 / 阅读(570) / 评论(0) 分类 2006年慢速英语(十二)月

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(183) / 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(206) / 评论(0) 分类 Scientific American(三)月

This is scientific Americans 60-Sencond Science. I am Karen Hopkin. This will just take a minute. When you think about silk, you probably think of gossamer fibers woven into lustrous garments or decadently soft bedsheets. But silk is also prized for

发表于:2018-12-24 / 阅读(167) / 评论(0) 分类 Scientific American(四)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(182) / 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(193) / 评论(0) 分类 60秒科学

Eleven countries in the Pacific region have signed a major Asia-Pacific free trade agreement in Santiago, Chile. The deal is a new version of the Trans-Pacific Partnership from which the U.S. withdrew last year. The agreement is called the Comprehens

发表于:2019-01-03 / 阅读(300) / 评论(0) 分类 2018年VOA慢速英语(三)月

From VOA Learning English, this is the Health Lifestyle report. There may be something in your food that you cannot see and cannot taste. But it could be killing you. It is an artificial oil commonly called trans fat. Trans fat is a toxic chemical th

发表于:2019-01-03 / 阅读(215) / 评论(0) 分类 2018年VOA慢速英语(五)月

英语四级同形异义词辨析06 1. The work was almost complete when we received orders to no further with it. (2003.06) A) progress B) proceed C) march D) promote 2. It was the first time that such a had to be taken at a British nuclear power st

发表于:2019-01-03 / 阅读(243) / 评论(0) 分类 四六级词汇与结构练习

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(253) / 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(191) / 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(245) / 评论(0) 分类 Scientific American(四)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(154) / 评论(0) 分类 2016年VOA慢速英语(九)月

Hardline Stance on Iran Nuclear Deadline Could Be Pressure Tactic STATE DEPARTMENT As the March 24 deadline nears for Iran nuclear negotiators to agree on the fundamental structure of a final deal, both the U.S. and Iran increasingly have been vocal

发表于:2019-01-14 / 阅读(199) / 评论(0) 分类 VOA标准英语2015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(275) / 评论(0) 分类 VOA标准英语2016年(二月)

Part 2. Green Transporation Festival. Keywords. Green Transporation Festival, oil, environment, reduce, other kinds of fuels. Vocabulary. hydrogen, propane, scooter, hybrid, ethanol. A. You are going to hear a report on green transporation festival.

发表于:2019-02-03 / 阅读(198) / 评论(0) 分类 step by step 3000 第一册

BEIJING, Nov. 4 (Xinhuanet) -- The amount of trans fat and other nutritional information will be marked on the labels of prepackaged food, according to the country's first national standard for food nutrition. The labeling will take effect on Jan 1,

发表于:2019-02-08 / 阅读(210) / 评论(0) 分类 英语新闻

Technology shows such as the annual E3 games conference in Los Angeles have become known for their scantily clad 'booth babes' designed to attract people to stands. 在洛杉矶,一年一度的E3游戏展以穿着暴露的展品模特儿闻名。 H

发表于:2019-02-09 / 阅读(188) / 评论(0) 分类 阅读空间

Both metaphorically and in reality, the translucency connected the inner engineering of the computer to the outer design. 无论是比喻还是现实,这种半透明都把内部的工程学构造和外壳设计联系在了一起。 Jobs had always

发表于:2019-02-15 / 阅读(175) / 评论(0) 分类 乔布斯传

By the next showing Ive had refined the playful model. 在下一次展示之前,艾弗又完善了这个模型。 This time Jobs, with his binary view of the world, raved that he loved it. 这一次,乔布斯带着他那不是杰作就是狗屎的评

发表于:2019-02-15 / 阅读(202) / 评论(0) 分类 乔布斯传
学英语单词
a death blow
accelerating field
acoustic capacitance unit
Articulatio cricothyroidea
artificial spacecraft
atelectatic crepitation
Bakkatindur
balance quantity
bench snips
buildup of higher isotopes
burmester curves
case in marketing management
casewise deletion
cat pneumonia
clamp pulse
clitorially
coal field area
colloidal insecticide
connective tissue tumor
consate
Cynanchum taihangense
deferens
diplomatic quarters
entomology in storehouse
exponent of a finite group
extolments
floush
funnel of causality
genotoxic carcinogens
global symbol directory
go make a circuit of
gorblin
gospic
guewel
half groupoid
harness draft
Heterodera radicicola
hexoses
hydraulic subsiding value
ilioinguinal lymphadenectomy
impoverishedly
indexes and indexing
is out
jugular foramen
laithly
Lakhdar Chergui, Kef
last-second
Lex specialis derogat generali.
linalyl acetate
linaridial
Madelia
marble top
mimeusemia vilemani
Miniconjou
mis-matches
mismannered
moderate price
Mukhorshibirskiy Rayon
Murrumburrah
natural magnetic resonance
oil circuit crankshaft
on the left side
per thousand
Petimid
physico
point source of pollution
postmenopaueal
pressing of glass
qalat ed daba
rated speed of revolution
ratio of gold and silver
receptive substation
redonate
relaxed market
romanization of geographical name
Saint Apollonia's disease
sclerotomal cells
sectional groove
solution pipeline
Sounfat
space density tapered array antenna
sphenobasion
Starý Smokovec
stigmatism
substrate bias
tapered-roller bearing
Thalictrum oligandrum
thread cutter
torsional stiffness
totoro
trans-siberian
tudor arches
turn to port
twinned binary
unanimity
unscrutinized
washabless
wave on forked line
worddeaf
xenography
yassine
you bastard