单词:performed polymer
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VOICE ONE: I'm Phoebe Zimmermann. VOICE TWO: And I'm Dick Rael with the VOA Special English program PEOPLE IN AMERICA. Today, we tell the story of Bob Hope. He was one of the world's most famous comedians. His life in show business lasted for more th
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
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
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
A: Are you going to be at the party this Saturday? B: I'm not sure yet. Are you going? A: Of course I am, because it's going to be great. B: Is it really? When does it start? A: The party starts at 8 o'clock, and you should really try to go. B: I'm t
Matthew 11 1 After Jesus had finished instructing his twelve disciples, he went on from there to teach and preach in the towns of Galilee. [1] 2 When John heard in prison what Christ was doing, he sent his disciples 3 to ask him, Are you the one who
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
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
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
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
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
'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
Doctors at a hospital in the eastern city of Boston have performed the first full-face transplant(移植) in the United States on a man who lost most of his face in a crippling electrical accident. In a 15-hour surgery performed last week, patient Da
LOS ANGELES, May 28 (Xinhua) -- The Los Angeles County coroner's office has performed an autopsy on Saturday to determine what killed actor Jeff Conaway who passed away at age 60, authorities said. However, the findings were not expected soon as it c
五岁男孩做俯卧撑创纪录 According to The Daily Telegraph on February 24, a five-year-old who has been called the world's strongest boy, caused a sensation when he performed 20 air press-ups.The physically demanding exercises,
Dating back as far as the early Qing Dynasty, Lanzhou Guzi, the local ballad of Lanzhou, the capital of northwest China's Gansu province, has been passed on from mouth to mouth for about 400 years. Going through ups and downs, this art form has survi
A: Can I ask you a question? B: Sure, what's up? A: Well, I was just wondering if you'd like to go out this Friday. B: Really? A: Yeah, I was thinking we could get a bite to eat and catch a movie. B: That sounds like fun. A: Of course, we can do some
听力文本: In my opinion. 在我看来 In my opinion,you did the right thing. 在我看来,你做的很对。 In my opinion,your job is challenging. 在我看来,你的工作很具有挑战性。 In my opinion,Mike is the most handsome boy in