音标:['kɛvlɑr] ;
n.
【材料学、商标】凯夫拉尔(用以代替汽车轮胎等中钢丝的合成纤维)
凯夫拉尔纤维

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.

发表于:2018-12-24 / 阅读(279) / 评论(0) 分类 Scientific American(二)月

Helen: Hello, this is Real English from BBC Learning English, Im Helen Zo: Hello, 我是刘佳。欢迎收听我们今天的地道英语。 Helen: In Real English, we look at words and phrases that you might not find in your dictionary. Zo : 英语和中文一样,有很多的俗

发表于:2019-01-02 / 阅读(369) / 评论(0) 分类 地道英语在线听

Robert Burns(17591796) O my luve is like a red, red rose, That's newly sprung in June; O my luve is like the melodie That's sweetly played in tune. As fair thou art, my bonie lass, So deep in luve am I; And I will luve thee still, my dear, Till a' t

发表于:2019-01-02 / 阅读(432) / 评论(0) 分类 英语诗歌

A: Are you new in town? B: Yes, I did just move in. A: How do you like it here so far? B: I think its great. A: Where did you move from? B: I was living in El Salvador. A: Why did you decide to move? B: I figured I could have a better life here. A: I

发表于:2019-01-07 / 阅读(403) / 评论(0) 分类 英语情景对话-邻居

Dan: This is 6 Minute English from BBC Learning English. I'm Dan Walker Smithand today I'm joined by Alice. Hello Alice! Alice: Hi Dan. Dan: Alice, you've got some news about a media blackout in an English town, right? Alice: That's right; a media bl

发表于:2019-01-07 / 阅读(340) / 评论(0) 分类 六分钟英语

Ed Sheeran,英国20岁的创作新人歌手,这首The A Team本周打入英国单曲榜第三位。Ed Sheeran的声音非常清澈好听,此前Westlife成员Mark Feehily还在Tweet上邀请Ed为westlife写歌,Ed的回复则是I might actually

发表于:2019-01-10 / 阅读(345) / 评论(0) 分类 天籁音乐

Scientific and Engineering Skills Lead to Inventions that Save Lives This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save lives. We will a

发表于:2019-01-12 / 阅读(316) / 评论(0) 分类 2013年VOA慢速英语(六)月

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed

发表于:2019-01-12 / 阅读(674) / 评论(0) 分类 2011年VOA慢速英语(三)月

SCIENCE IN THE NEWS - Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im Shirley Griffith. BOB DOUGHTY: And Im Bob Doughty. Today we tell about two recent i

发表于:2019-01-12 / 阅读(300) / 评论(0) 分类 2012年VOA慢速英语(三)月

Scientific and Engineering Inventions Save Lives 科学和工程的发明拯救生命 This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save

发表于:2019-01-12 / 阅读(273) / 评论(0) 分类 2013年VOA慢速英语(十)月

A: I really need you to do something for me. B: Whats the problem? A: I cant get into my apartment. B: Howd you manage that? A: I dont know. B: Do you know where your key is? A: Its inside my apartment. B: I have a spare key. A: Will you let me use i

发表于:2019-01-20 / 阅读(336) / 评论(0) 分类 地道英语对话-租房

This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed them. Seatbelts Most cars have s

发表于:2019-01-24 / 阅读(395) / 评论(0) 分类 英语语言学习

SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed t

发表于:2019-01-26 / 阅读(303) / 评论(0) 分类 2010年慢速英语(二)月

By Victoria Cavaliere New York 24 October 2007 New York's Metropolitan Museum of Art has opened a newly renovated, state-of-the-art education center that will allow students, scholars and the general public to study the museum's world-renown collecti

发表于:2019-01-31 / 阅读(357) / 评论(0) 分类 2007年VOA常速英语(十月)

听歌学英语:Edleweiss 音乐之声插曲 edleweiss 雪绒花(小提琴版)这样一首温馨的歌曲同样出自于美国电影《音乐之声》。它也是我对小学时音乐课最美好的回忆。 [00:02.50]EnglishExpress [00:05.95]轻松

发表于:2019-02-07 / 阅读(430) / 评论(0) 分类 听歌学英语

WASHINGTON, Dec. 12 (Xinhua) -- After its final policy meeting of this year, the U.S. Federal Reserve on Wednesday announced to continue pumping money into the economy by buying assets and hold its short-term rate near zero until the unemployment rat

发表于:2019-02-09 / 阅读(342) / 评论(0) 分类 英语新闻

LONDON The United States has won the mens Olympic basketball gold medal at the London Games. The victory in the final over Spain did not come easy. The final on the scoreboard read USA 107, Spain 100, a seven-point victory in a game that was tightly

发表于:2019-02-09 / 阅读(482) / 评论(0) 分类 英语新闻

Mind control over the material world has long been the stuff of science fiction. Now, thanks to a chip implanted in the brain, one paralyzed American sportsman is learning how to reach out and touch once again with the help of a robotic arm powered s

发表于:2019-02-14 / 阅读(512) / 评论(0) 分类 世界各地新闻集锦

Conradin was ten years old, and the doctor had pronounced his professional opinion that the boy would not live another five years. The doctor was silky and effete, and counted for little, but his opinion was endorsed by Mrs. de Ropp, who counted for

发表于:2019-02-16 / 阅读(543) / 评论(0) 分类 英文短篇小说

本文为大家准备了GRE词根ed词汇整理,便于考生GRE考试备考。 ed = eat 吃 441. edible〔 ed 吃,-ible 形容词后缀,可的 〕可以吃的,食用的442. edibility〔 ed 吃,-ibility 名词后缀,可性 〕可食性443.

发表于:2019-02-25 / 阅读(377) / 评论(0) 分类 GRE英语
学英语单词
above the mark
act of bankruptc/insolvency
agglomerating
amerson
amine imide
appendicectomy
at (the) least
aufderheide
automatic gear cutting machine
basal feed
benign malaria
biodevices
bond course
butt sex
butylvinal
Campsis radicans
Carboniferous igneous rock
cdp profile
Charadrius melodus
clutch pedal pad
condensate depression
continued bond
control charts
Cutleriaceae
degenerate slave makers
direct interelectrode capacitance
duripans
earth-apple
enterprise budget
environmental noise
Erfurt faience
esula
evolved gas disorders (decompression sickness)
fast busy
fear, cape
field yoke
fresh-squeezed
fuel pin transient test
full-zip
Galle-Donar
Garrotment
gets in
goad on
godemiches
grain-sorghum header
heat conducting bond
heavy power
Heze
hot constant
hull classfication and inspection record
hydrated peroxide
Illicium micranthum
intertwingling
Kipili
lachmon
mainss
met our waterloo
milk dentition
Mobberley
Molar decadic extinction coefficient
money base
multi-cylinder compressor
mydemycin
nemocerous
null event
off the strength
operational testing
Osong
panzergrenadier
percutaneous transluminal balloon aortic valvuloplasty
perfect for
Ph. Ev.
phaeoisariopsis griseda (sacc.) ferraris
pittop
plate fin cooler
presuppression
proteingram
rational space
realtime rendering
reattends
reflector collector
rehabilitatings
resistance type thermo-bimetal
rolling from the molten condition
schematic analysis
shape-breakdown system
sheenjek r.
sheriff-officer
Simmonds
simplex method for dual
snoopervisor
spenalate
tetrathognathous
transitional monitor
translocated chromosome
ultimate elongation in percent
uncertain knowledge in robot planning
underpunctuated
volatile reducing substance
water-quenching
windtunnel computer
Yushania collina