单词:Kevlared
【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
单词:Kevlared 相关文章
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.
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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.