[力] 聚合材料断裂微观力学

埃及年轻人参与极限运动-跑酷 A law recently passed in Egypt makes it illegal for groups of more than 10 people to gather. However, every Friday a group of young men meets on the outskirts of Cairo, not to protest, but to practice a sport

发表于:2018-12-02 / 阅读(235) / 评论(0) 分类 VOA双语新闻 2013年12月

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. On our program this week, we will tell about a new study of the Arctic Ocean. Amur leopard We will also tell about a big cat that ani

发表于:2018-12-07 / 阅读(241) / 评论(0) 分类 VOA慢速英语2007年(五)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(165) / 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(193) / 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(170) / 评论(0) 分类 Scientific American(一)月

275. I feel very depressed recently W: I feel very depressed recently.. M: What's wrong? W: I make mistakes every day. M: I feel very depressed recently. W: What's wrong? M: I lost my mobile phone again. 276. It shouldn't be that bad W: He fell down

发表于:2018-12-25 / 阅读(134) / 评论(0) 分类 越说越地道英语

208. Not that serious eh? W: His leg seems to have a fracture. M: Not that serious eh? W: It's impossible for him to enter the court this season. M: Sun Jun will be kicked out of the school. W: Not that serious eh? M: He cheated in the exam. 209. I a

发表于:2018-12-25 / 阅读(218) / 评论(0) 分类 越说越地道英语

Idiom: Not have the heart to do sth 不忍心做什么 Hit the book: Shatter Brittle Forensics Rivet Residue Smelting Fracture Prone Substandard Bow Stern

发表于:2018-12-27 / 阅读(209) / 评论(0) 分类 趣味青春英语

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(180) / 评论(0) 分类 60秒科学

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(252) / 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(238) / 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(177) / 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(229) / 评论(0) 分类 Scientific American(四)月

This is the VOA Special English Health Report. The medical term for a broken bone is a fracture. But there are different kinds of fractures. A single fracture is when a bone is broken in just one place. You may have heard the term hairline fracture.

发表于:2019-01-11 / 阅读(192) / 评论(0) 分类 VOA慢速英语2007年(五)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Chickens at a market in Bangkok. And I'm Barbara Klein. This week, we will tell how a deadly bird flu virus is able to infect people. We will also tell about

发表于:2019-01-11 / 阅读(211) / 评论(0) 分类 VOA慢速英语2008年(二)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(139) / 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(258) / 评论(0) 分类 VOA标准英语2016年(二月)

By Carol Pearson Washington 28 November 2007 Every year, more than one and a half million people worldwide fall and fracture a hip. Of that number, about 80 percent are women. These fractures are painful and associated with a high death rate. VOA's C

发表于:2019-01-31 / 阅读(171) / 评论(0) 分类 VOA常速英语2007年(十一月)

大夫:你哪里不舒服? Doctor: What seems to be the problem? 病人:唉,我刚才过马路,正赶上一辆车从拐角处开过来。由于车速过快,等司机看到我再刹车时,已经太晚了。我被撞倒在地,从地上爬起来时,我发现我的左臂和肘部也被擦伤,并且现在我的肋骨有点痛。 Patien

发表于:2019-02-06 / 阅读(143) / 评论(0) 分类 英文语法词汇

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 It has been a long day. You have wor

发表于:2019-02-21 / 阅读(152) / 评论(0) 分类 环球英语 Spotlight
学英语单词
alkalometer
Allakaket
allatostatin
alliciate
aporina delafondi
arabness
artifactual masquerage
assembly coding format
automatic measuring equipment
bad times
be a shadow of your former self
BFSS
Brahinite
braincases
brathly
bursting pressures
cardiotoxic agent
Catania
centering bolt
Charles Dodgson
compaternity
convey electron
corporate-profits
cost of delays
cryogenic temperature sensor
currency area
cuscamidine
dadoed
debris flow deposit
despising
device work queue
Dichroa yaoshanensis
dinky one step
draik
dynamic random access memory
etiolations
fighter affiliation
flotes
genus callitriss
Gonocormus
grinding apparatus for lathe centers
hand milling
haptenic
hiding a subprogram
Higuer, C.
hoist piston rod head block
homonymous
induction overvoltage
information specialists
intellectualized
inverted limb
Istriots
K aerial
land a job
laugh-maker
lean burden
liegemen
macula flava
mentha haplocalyx
microprocessor based protection device
Morsott
natality statistics
New Westminster
non-sucrose
noncausal relationship
nyalis
Occucoat
office process
optically active stationary phase
patellas
periosteal graft
pitch sensing accelerograph
pitmans
port of export
psychologic activities
r.w.
release of fire-extinguishing medium
resin cored tin solder
rise up in arms against
screech owl
see a man
Sefer ha-zohar
shamala
side dumping
slitherlink
smailing
spoiling tactic
standard titrimetric substance
Tap Cheang
toelike
trigger delay time
triguaiacyl phosphate
twist pair line
Ulrichsberg
undivided rights
upsampling
vertical boring mill
waver between two opinions
Weston cadmium cell
what time
white sour
young-dupre equation