单词：epoxyy adhesives
单词：epoxyy adhesives 相关文章
19 Resembling Ones Parents GLOSSARY photo album a book with special pages that hold photographs under plastic sothat they are protected and can be viewed easily * Did you make a photo album for your babys first year? incriminating making someone seem
2010年ESL之就医和人际交往
哈利波特与魔法石15-Haryy meets Malfoy for the first time
哈利波特与魔法石
What Is Your Achilles' Heel? 词汇典故:什么是你的致命弱点? Hello! And welcome to Words and Their Stories, a VOA Learning English program about American expressions. The Greek poet Homer has given us many phrases. A famous one is Achilles
2015年VOA慢速英语(十二)月
AIDS Vaccine Testing Taking Place in South Africa 南非将开始HIV疫苗试验 A new clinical trial is taking place in South Africa on an experimental vaccine that could safely prevent infection with HIV, the virus that causes AIDS. 一种新的预防
2016年VOA慢速英语(十一)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
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
First Shots of the Civil War Fired at Fort Sumter 美国内战暴发于萨姆特堡 From VOA Learning English, this is The Making of a Nation. Im Kelly Jean Kelly. And Im Christopher Cruise. In late 1860 and early 1861, South Carolina and other south
2014年VOA慢速英语(九)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
French Police Kill Gunmen to End Hostage Crisis 法国警方击毙枪手终止人质危机 French officials say two armed suspects in the deadly attack at a Paris newspaper have been killed. The two are reported to have died during a police raid nort
2015年VOA慢速英语(一)月
AS IT IS 2014-12-10 A Love of Wine Grows in India Indians who like alcohol usually choose whiskey as their drink. But, slowly, wine is growing more popular in the country. India's first vineyard, a farm where grapes used to make wine are grown, is na
2014年VOA慢速英语(十二)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
By Douglas Bakshian Manila 06 December 2007 A Philippine court has convicted 14 militants of kidnapping 20 people in a 2001 incident that eventually left two Americans dead, including one who was beheaded. Douglas Bakshian reports from Manila. A Mani
VOA常速英语2007年（十二月）
AS IT IS 2016-04-28 Iraq Declares Fallujah Free of Islamic State 伊拉克宣布费卢杰脱离伊斯兰政权 Iraqi forces recaptured the city of Fallujah from Islamic State fighters after a month of fighting. On Sunday, Iraqi Lieutenant General Abd
2016年VOA慢速英语(七)月
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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