单词：epoxy resin adhesives
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2Thus the heavens and the earth were completed in all their vast array. 2By the seventh day God had finished the work he had been doing; so on the seventh day he rested from all his work. 3And God blessed the seventh day and made it holy, because on
创世记
[00:04.24]Mommo, here's your-- What are you doing? 奶奶 给你 你在做什么? [00:06.08]Preventing alien abduction, that's what l'm doing. 我在准备应对被外星人拐骗 [00:11.16]Thank you. 谢谢 [00:16.56]Dang crabgrass. 该死的草 [00
听电影学英语-别惹蚂蚁
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
是啊 Uh-huh. 永不变质的 It'll last forever. 我把它保存在纯净的 I preserved in a one percent solution 聚乙烯醇缩醛树脂里了 of polyvinyl acetal resin. 天哪 Oh,my God. 这是我听到但没能理解的话中 That's the most r
生活大爆炸第三季
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
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
This is the VOA Special English Agriculture Report. An American expert in food science technology has won a major international award. Philip E. Nelson has been named winner of the Two Thousand Seven World Food Prize. World Food Prize Foundation Pres
VOA慢速英语2007年（七）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
That dress looks perfect right off the rack, and that crisp button-down shirt is never going to be any brighter or whiter than the moment you buy it. So is it really necessary to go to all of the trouble of washing those brand-new garments before you
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GWEN IFILL: Next: replacing surf shops with start-ups, as tech titans move to catch some rays and some waves.Steve Goldbloom reports. STEVE GOLDBLOOM: In San Francisco, computer programmers are like rock stars. Here in Los Angeles, the rock stars are
PBS访谈商业系列
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
Tree climbing: Part 1 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today Im joined by Kate. Now in todays programme and in next weeks programme were talking about
六分钟英语
LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin
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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