n. 聚合物;聚合体
[网络] 聚体

Do you know the difference between an official visit and a state visit?You'll have a better idea by the end of today's program.I am Carl Azuz.Welcome to CNN student news. First up.A full breakdown on Tuesday's Republican presidential contests.The big

发表于:2018-12-24 / 阅读(270) / 评论(0) 分类 CNN2012年(三)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(230) / 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(267) / 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(224) / 评论(0) 分类 Scientific American(一)月

The Nature of Nokia 诺基亚独领风骚 There is an approximately one-in-three chance that the next person you see holding a cell phone against the side of their head will be speaking into a Nokia p

发表于:2018-12-31 / 阅读(327) / 评论(0) 分类 有声英文阅读

The Nature of Nokia 诺基亚独领风骚 There is an approximately one-in-three chance that the next person you see holding a cell phone against the side of their head will be speaking into a Nokia product. Such is the level of worldwide market pene

发表于:2019-01-02 / 阅读(221) / 评论(0) 分类 双语有声阅读

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(243) / 评论(0) 分类 60秒科学

Books and Arts; Book Review; New fiction from Japan; 文艺;书评;来自日本的新小说; Hey babe, take a walk on the wild side; 嗨,去野外散个步吧; A black cat, two moons and a host of nocturnal little people populate Haruki Mur

发表于:2019-01-06 / 阅读(287) / 评论(0) 分类 经济学人文艺系列

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(326) / 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(240) / 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(311) / 评论(0) 分类 Scientific American(四)月

AS IT IS 2013-08-19 Survival Shelters, Tornadoes and Old Ironsides 生存避难所,龙卷风和老铁壁 Hello, and welcome to the Monday edition of As It Is, our daily show for people learning everyday American English. 大家好,欢迎大家收听周

发表于:2019-01-12 / 阅读(246) / 评论(0) 分类 2013年VOA慢速英语(八)月

'Beware the Ides of March' 留意古罗马历中的三月 Now, the VOA Learning English program Words and Their Stories. People who believe in luck and bad luck -- that is to say, those considered superstitious maythink that some days or events are u

发表于:2019-01-12 / 阅读(228) / 评论(0) 分类 2015年VOA慢速英语(三)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(218) / 评论(0) 分类 2016年VOA慢速英语(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(344) / 评论(0) 分类 VOA标准英语2016年(二月)

LULU GARCIA-NAVARRO, HOST: Jeffrey Eugenides is well-known for his novels. He won the Pulitzer for Middlesex. But his latest work, a collection of short stories, is a departure. JEFFREY EUGENIDES: Short stories are difficult, maddening, little puzzle

发表于:2019-01-16 / 阅读(268) / 评论(0) 分类 2017年NPR美国国家公共电台10月

By Paul Sisco Washington, DC 06 July 2006 watch Rip Tides report The beach is a popular place in the summertime. But there are dangers beneath the ocean surface. Here is a look at rip tides, also known as rip currents -- the science, the danger, and

发表于:2019-01-27 / 阅读(316) / 评论(0) 分类 2006年VOA标准英语(七月)

WASHINGTON, May 13 (Xinhua) -- U.S. Secretary of State John Kerry said on Tuesday that he was hoping for a visit to Cyprus in the next weeks to help to promote the restarted peace talks on the Mediterranean island. Prior to his meeting with visiting

发表于:2019-02-03 / 阅读(273) / 评论(0) 分类 英语新闻

George Clooney, Ryan Gosling Star in 'The Ides of March' George Clooneys' political thriller, The Ides of March, is the latest film to zoom in on American society and politics. The film takes its name from a reference in Shakespeare's play Julius Cae

发表于:2019-02-07 / 阅读(246) / 评论(0) 分类 VOA标准英语2011年(十月)

Judge 法官 A judge works at a court. 法官在法院工作。 A judge hears people's arguments. 法官倾听人们的论点。 Then, the judge dicides what is right and wrong. 然后,法官决定哪个对,哪个错。 What is a judge called in

发表于:2019-02-11 / 阅读(272) / 评论(0) 分类 与美国小学生一起学英文第5册
学英语单词
11-desoxy-17-hydroxycorticosterone
absolute deprivation
aluminium alloy stranded conductor
amphidromic system
assuefaction
Ban Non
Barmoi
barrel hook
barren-ground
Beef Brain
biotec
Bohdanivka
Borang, Tg.
brand-aware
burth-e
calcium thiosuifate
call money market
Cassadaga
century-
charangons
climatic plant formation
cutter spindle housing
cynoglossus abbreviatus
delcarmen
dense-phase transporting system
desinor
dinning room
discontinuous set
dishmops
dustless
electromer
Esprivex
excitable activity
far behind
fault location
formants
fourfold table correlation coeficient
gooberhead
graphite plate
hanging fan
homoneura (homoneura) quinquevttata
Hughligan
icebergy
ilsr
impell
in bad graces
indevolvibility
insect aggregation pheromone
J R R Tolkien
LA (limited applicability)
leutnant
liquid caustic(soda)
long fat back
map reference code
marguerita
Marsh grapefruit
matrikin
MOBIDAC (mobile digital computer)
No gains without pains.
nonconcomitant strabismus
norfenefrine
nyckelharpa
oil-proof compound
oligothermal
peripheral allocator software
piezometric gradient
pin reel
piston return springs
polarization optical ethods
positional title
PRARE
preponderous
Processus palstinus
ramail
rangale
reductional
resiaunt
retail advertiser
sand hoppers
satellite-tracking camera
securitarian
silent cop
singledigit
social fact
soft burnt brick
stacking fault defect
Starogard
stock-flow relationship
tedescoes
Thormahlen's test
Tolimetron
travler's checks
trichocystic
true as touch
valve cam
variable-beam antenna of fuze
variable-voltage transformer
vinew
walker foxhounds
warp protector motion
whiskied
windigo