单词：tactic polymer
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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
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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
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This is scientific Americans 60-Sencond Science. I am Karen Hopkin. This will just take a minute. When you think about silk, you probably think of gossamer fibers woven into lustrous garments or decadently soft bedsheets. But silk is also prized for
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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
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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
60秒科学
The moon mission is open to the public, 月球任务是对大众开放的 meaning anyone who has the financial capability 任何人只要能负担一亿元的机位费用 to afford the price of the seat, 就可以参加 they're each priced at a hundr
神秘的月球
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
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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
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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
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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
2016年VOA慢速英语(九)月
AS IT IS 2016-03-26 Kurds: IS Recruits Children For Suicide Attacks 库尔德人：IS招募儿童进行自杀式袭击 A Kurdish commander in Iraq says the Islamic State terror group recruits children as young as eight-years-old to carry out suicide
2016年VOA慢速英语(三)月
Hardline Stance on Iran Nuclear Deadline Could Be Pressure Tactic STATE DEPARTMENT As the March 24 deadline nears for Iran nuclear negotiators to agree on the fundamental structure of a final deal, both the U.S. and Iran increasingly have been vocal
VOA标准英语2015年(二月)
'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
VOA标准英语2016年(二月)
GUANGZHOU, Dec. 1 (Xinhua) -- After four games in two weeks in the Chinese Basketball Association league (CBA), Gerald Green, former NBA slam duck contest winner, was sacked by Foshan Longlions club. Foshan Longlions Club of CBA told media that it de
英语新闻
陈豪在北京的ABC美国公司工作。他跟美国同事Amy一起走出会议室。 (Office ambience) C：Amy, 今天我第一次主持会议。你觉得怎么样？ A：I thought you did well considering that you have not been in that position b
英语新闻
在很多影视作品中，我们都看到过以强欺弱的画面，可能是在监狱、学校或者工厂。这样的欺凌行为在英语中统称为bullying，而发出这样行为的人就是bully。今天我们要说的，是在职场处处为难
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