高分子切粒

发表于:2018-11-27 / 阅读(178) / 评论(0) 分类 英语口语1+1

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(74) / 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(104) / 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(85) / 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(87) / 评论(0) 分类 60秒科学

The price(s) of some personal computers are likely to drop, following drastic cuts this week on some Intel and AMD microprocessors. At the same time Intel unveiled a new line of processors that are much faster than with their previous chips. NPR's W

发表于:2019-01-06 / 阅读(119) / 评论(0) 分类 2006年NPR美国国家公共电台

An elderly man was at home, dying in bed. He smelled the aroma of his favourite chocolate chip cookies baking. He wanted one last cookie before he died. He fell out of bed, crawled to the landing, rolled down the stairs, and crawled into the kitchen

发表于:2019-01-06 / 阅读(195) / 评论(0) 分类 趣味英语

今天我们要学的词是chip away at; chip。 Chip away at, 是削弱的意思。星期三公布的一项最新民调显示,Democratic Presidential candidate Barack Obama has chipped away at Hillary Clinton's lead in New Hampshire, 美国民主

发表于:2019-01-06 / 阅读(64) / 评论(0) 分类 英语单词荟萃

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(106) / 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(92) / 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(134) / 评论(0) 分类 Scientific American(四)月

Words and Their Stories: A Chip on Your Shoulder Now, the VOA Special English program WORDS AND THEIR STORIES. Every week at this time we tell the story of words and expressions used in American English. Some of them are old. Some are new. Together,

发表于:2019-01-12 / 阅读(90) / 评论(0) 分类 2013年VOA慢速英语(五)月

Words and Their Stories: A Chip on Your Shoulder 词汇典故:肩上的碎屑 Now, the VOA Special English program WORDS AND THEIR STORIES. 现在是美国之音慢速英语词汇典故节目。 Every week at this time we tell the story of words an

发表于:2019-01-12 / 阅读(219) / 评论(0) 分类 2011年VOA慢速英语(十二)月

Chip on Your Shoulder 受了委屈 Now, the VOA Special English program Words and Their Stories. Every week at this time we tell the story of words and expressions used in American English. Some of them are old. Some are new. Together, they form the

发表于:2019-01-12 / 阅读(93) / 评论(0) 分类 2014年VOA慢速英语(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(59) / 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(138) / 评论(0) 分类 VOA标准英语2016年(二月)

不知道大家使用的是什么品牌的手机电脑, Iphone、三星、华为? 苹果、联想、戴尔? 你们知道它们其中的芯片来自哪里吗? 全球大约80%的笔电、70%的手机都产于中国, 但其中的核心芯片却是国外

发表于:2019-01-17 / 阅读(68) / 评论(0) 分类 英文语法词汇

He loves chocolate chip cookies 他爱吃巧克力块曲奇 An old man was laying on his death bed. He had only hours to live when he suddenly smelled chocolate chip cookies. He loved chocolate chip cookies more than anything else in the world. With

发表于:2019-02-06 / 阅读(100) / 评论(0) 分类 趣味英语

今天我们要学的词是chip away at。 Chip away at, 是削弱的意思。星期三公布的一项最新民调显示,Democratic Presidential candidate Barack Obama has chipped away at Hillary Clinton's lead in New Hampshire, 美国民主党总

发表于:2019-02-07 / 阅读(57) / 评论(0) 分类 英语每日一词

Chinese-backed investment firm Canyon Bridge is reportedly set to buy UK technology firm Imagination. This came months after the British chip designer put itself up for sale in June, after its largest customer Apple announced it'll stop using its pro

发表于:2019-02-14 / 阅读(69) / 评论(0) 分类 2017CRI中国国际广播电台
学英语单词
absence of jurisdiction
affectionates
allowable range
anterior acrostichals
Armstrong guns
be on the staff of
belamcandin
betamicin
bilirubinausscheidungsquotient
Bokovskaya
brown country-rat
c-type
cactussed
calling back
calycanthidine
Casalfiumanese
champart
copper-nickel-antimony-lead bronze
corporolate
cost clerk
cyberneticist
data acquisition and reduction system
deep-sea salvage tug
demethvlsecoclausenamide
deoxytrillenoside
distributed AI system
drosera intermedia hayne
DWG (drawing)
electrodialysis(ED)
environmental gas analyzer
family Aspleniaceae
flake copper
foilings
followeth
front-bearing
gallows bitts
general elliptic type
general requirements
hypercyeis
hyphenated compound
igf-ir
information book
intumescency
iron sheet
Italo disco
leather technology
lentoptosis
longipes
Malayan
mcfarlan
melanagogues
migrationist
mine detection
miscle
Miyazakino-hana
nitrocelluloses
not a snap
over-all selectivity
oxyporus corticola
pan pelletizer
paracoccin
participating preferred share
passenger train formation
peak radiant intensity
pear gauge
penny-post
perfect monopoly
philbertia rufozonata
play up something
PMP
podiuming
positive-rule variant
post-liberation
principal rescue unit
prior patient identifier list
publicity-hound
qbert
quantitative determination of one minute bilirubin
reflets
rock control
salicortin
Schischkinia
selective water shut off
semispinalis cervicis muscle
shadow factor
silica ware
soothable
stepped comb
subdivided panel truss
superficies deficiency syndrome
surface acoustic wave phase shifter
taleh
the creeps
thin plate weir
urgent attention
vicious competition
voting-paradox
want a go
warpest
wonderfully
yevgenia