单词：high polymer waterproof materials
单词：high polymer waterproof materials 相关文章
I have a 45, it's 45 plus High SPF, high protection, right? En, not exactly. That SPF number indicates protection from burning UVB rays, but says nothing about blocking UVA rays which can cause wrinkle, sunspots, and cancer. Rules proposed today wou
万花筒2007年
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
Scientific American(三)月
Short Conversation 宴会交流 A:Hello,are you from Japan？ B:Yes，I represent a company called Kanto Shoji in Tokyo.We distribute housing materials in Japan. A:What is the recent trend of housing materials in Japan? B:Well,we are eager to find ch
英文导学
291. The Tariff of Abominations, 1828. 291．可憎的关税（1828年） In 1828 another presidential election was to be held. 1828年要举行新的大选， The manufacturers thought that this would be a good time to ask for even higher protective
美国学生历史
Tax inspection 税务检查 A: Good morning, we are from Department of Baotou Tax Bureau. We would like to ask you something about the tax payment of your company. 早上好，我们是包头税务稽查局的工作人员。今天到贵公司是进行税
外贸英语一点通
In a big surprise, chip giant Intel announced 25% jump in quarterly revenues, the much better than expected sales figures helped lift profits far ahead of analysts' forecast. Softness in consumer demand for PCs and laptops in North America and Europe
万花筒2011年
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
Scientific American(四)月
Bullies - especially aggressively hostile girls - are a topic of major interest to Rosalind Wiseman. In her non-fiction best-sellers, Queen Bees Wannabes, and Queen Bee Moms Kingpin Dads, the educator explored the way adolescent girls relate to the w
VOA标准英语2011年(二月)
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
High-Tech Edge Sharpens Olympic Games At the very first Olympic Games, in 1896, an American won a gold medal in the pole vault event after jumping 3.30 meters using a wooden pole. Four years ago in Beijing, an Australian won gold in the same event wi
VOA标准英语2012年(七月)
'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)
This is Scientists American sixty seconds. I am Santy Graver. Got a minute? They are called button cells, coin cells or watch batteries. By any names, this tiny round batteries pose a choking danger to kids. And if a kid succeeds in swallowing a butt
2014年Scientific American(十一)月
台湾籍旅美老师今天交给我们的句子是： What's highest and best for you is always what's highest and best for everyone around you. 对你来说最好的就是对所有你身边的人来说最好的。
留美老师带你每日说英文
By Mil Arcega Washington 27 February 2008 Wheat futures shot up this week to near the all-time high ($11.6975 a bushel) as foreign buyers scrambled to lock in supplies. A combination of bad weather, increasing global demand and export slowdowns in wh
VOA常速英语2008年（二月）
Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. 来自中佛罗里达大学（UCF）的科学家已经创造了一个超级电容电池
英语新闻
By Steve Herman New Delhi 17 October 2009 Maldivian President Mohammed Nasheed signs a document calling on all countries to cut down their carbon dioxide emissions, in Girifushi, Maldives, 17 Oct 2009 In an effort to highlight climate change, the Ca
VOA标准英语2009年(十月)
展会谈判经典交流英语 A: I'm sorry to say that the price you quote is too high. It would be very difficult for us to push any sales if we buy it at this price. B: well, if you take quality into consideration, you won't think our price is too
实用英语
Tax inspection 税务检查 Good morning, we are from Department of Baotou Tax Bureau. 早上好，我们是包头税务稽查局的工作人员。 We would like to ask you something about the tax payment of your company. 今天到贵公司是进行税
外贸英语话题王
Japan is looking into installing toilets and emergency drinking water in buildings' lifts in case people are trapped after earthquakes. 日本考虑在大楼电梯内配装马桶，并提供紧急饮用水，以备有人在地震后被困电梯时使用
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