单词：CSPE sealing adhesives
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EXPLORATIONS - MOOCs Are Moving Forward From VOA Learning English, this is EXPLORATIONS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today we tell about the growing popularity of Massive Open Online Courses in higher education. The movem
2012年VOA慢速英语(十二)月
MOOCs Are Moving Forward From VOA Learning English, this is EXPLORATIONS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today we tell about the growing popularity of Massive Open Online Courses in higher education. The movement toward educ
2013年VOA慢速英语(六)月
RACHEL MARTIN, HOST: The Apollo 11 capsule took astronauts to the first moon landing and back. It is now a priceless museum artifact. Later this year, it'll go on tour around the country for the first time in over 40 years. NPR's Nell Greenfieldboyce
2017年NPR美国国家公共电台6月
Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma
2016年Scientific American(八)月
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
法律英语 Legal Lad
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
法律英语 Legal Lad
It's the fossilized resin of ancient pine trees. And trapped within it, are perfectly preserved souvenirs, each fragment helping to build a picture of an ancient world. This resin has also trapped som
欧洲自然写真
到2050年，全球需要1000亿的陆上动物才能提供所需的肉、奶制品、蛋、和皮具。饲养如此多的牲畜，对地球是沉重、可能无法持续的负担。有没有别的解决办法？这场演讲令人大开眼界，组织工
TED公开课:地球村
Rock climbing is the original extreme sport． Basically , rock climbing is going from the bottom of a wall to the top and then back down again. The main goal is to have fun while doing so and to pref
奥运英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The common method of closing a surgical incision is simply to stitch the patient up. There are some issues, though. Good stitching can be challenging,
Scientific American(四)月
Porcupines sport some 30,000 quills, which easily penetrate fleshand then stay stuck in it. Now, scientists have analyzed the shape of individual quills to discover what makes them so effectiveand how we can harness their power for medical devices. T
Scientific American(十二)月
Surgical Glue Approved for Use Inside the Body 经批准外科医用胶水可用于人体内部 Medical adhesive products are becoming more common. Doctors use medical adhesives to help reconnect damaged tissue. They are able to stick fast and hold t
2015年VOA慢速英语(五)月
Laden with plastic bags that are almost too heavy to carry, we meet Rika Wenjing, a 24-year-old accountancy graduate from Wuhan, the capital of Hubei province. 我们见到了24岁的Rika文静（音译），这位来自湖北省武汉市的会计专业
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As is well known, geckos sell car insurance. But theyre also famous for their extremely adhesive feet, which can keep them stuck to walls and even ceilings. Archimedes wondered how they do it. Geckos can also easily loosen their grip and break into a
2014年Scientific American(八)月
The scent of a new car can be enticing in showrooms, and even intoxicating in its appeal. Theres a good reason for that. That new car smell comes from an assortment of chemicals, some of which can be highly toxic. 展厅中的新车会散发出迷人的
实用英语
vice FM to Visit Beijing to Repair Ties The Japanese government has decided to dispatch its Foreign top official to China on a two- day tour to repair frayed bilateral ties over islands in the East China Sea. Deputy Foreign Ministe
Hourly News 每小时新闻
SHENZHEN, China, Aug. 18 (Xinhua) -- In the absence of Michael Phelps, it could be golden days for Hungarian star swimmer Laszlo Cseh to dominate the Shenzhen Universiade pool. Without Micheal, the race is different, the 26-year old Cseh said after h
英语新闻
Voice 1 Hello. Im Elizabeth Lickiss. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Then he turn
环球英语 Spotlight
BEIJING, Sept. 27 (Xinhuanet) -- Filmmaking is just a hobby now, says kungfu star Jet Li, who is spending more time on his charity and on promoting martial arts. He has turned down three films in 2011, including an American one, Li says at the premie
英语新闻
Ya?l: I've got a good trivia question for you, Don. Don: OK, Ya?l. Y: What animal's beak is one of the hardest known organic substances? D: Umm . . . I don't know. The bald eagle? Y: Nope. It's the giant squid. A squid beak can reportedly snap throug
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