单词：ASTM (American Standard of Testing Materials)
单词：ASTM (American Standard of Testing Materials) 相关文章
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This is Scientific American's 60-Second Science, I am Steve Mirsky, got a minute? You are pulling the tape off the roll and it starts to tear, or you are moving wallpaper and it refuses to strip off in strips or in what may be the most infuriating ca
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Remember how stiff jeans used to be? In the olden days, even sitting down or climbing stairs was hard. But these days jeans can be skintight yet surprisingly comfortable. The secret is the spandex, which they add to denim to make it stretchy and comf
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Peter: So we're both teaching at university and I was curious, Jana, what do you think about giving students homework? Jana: Ah, that's a tricky one isn't it? Students usually don't like homework. Peter: Yeah. Did you used to like homework as a stude
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开车犯困,这是很多人都有过的经历.不过,如果有了下面这种能够让你清醒起来的安全带,开车犯困就不再是问题了. 开车打瞌睡?智能安全带叫醒你 The Daily Mail: A seatbelt that wakes you up if you are in
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. The heart-stopping news from Stockholm is that the heart never stopsgrowing, that is. Because researchers have shown that the human heart continues to pr
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This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene
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VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English We begin a series of programs about efforts to keep alive old ways of doing things that are culturally important. Today we tell about a large ou
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Rethinking Grammar: How We Talk 语法再思考:我们如何讲话 We judge people by the way they speak and the grammar they use. Listen to several Americans from different regions speak. Dont worry too much about what they are saying, just listen t
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Students Invent Water Purification Disc The lab operates like a kitchen. They add several ingredients. Then they mix, weigh, press and bake them. What's created is called a MadiDrop - a ceramic disc infused with silver. When dropped in water, silver
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This is the VOA Special English Education Report. We have a question from China. Feng Tianqiang says I want to know something about John Dewey. John Dewey John Dewey was an influential thinker and educator. The New York Times once called him America'
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标准名称Code Standard Name Fire Prevention Code防火规范 Uniform Fire Code, 2003 Edition （incorporates provisions from both the Fire Prevention Code and the WFCAs Uniform Fire Code）统一消防规范 2003版 Standard for Portable Fire Extinguishers手提灭火
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LONDON, April 11 (Xinhua) -- The Olympic Torch has passed rigorous testing to ensure even the worst of Britain's weather will not be able to put it out, the Evening Standard newspaper said Wednesday. Two prototypes withstood 50mph winds, extreme temp
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Do you ever go blank when you're trying to spell a word? It happens to me occasionally. When it comes to spelling, I have a problem. I have had to learn the Standard American English whilst living in the U.S. for the past 18 years, but, I'm English.
英语博客 A cup of English
shall和will这一对助动词都用可于将来时态的表达，但它们还有一些用法的相异之处，分不清楚怎么办?看看牛津博客怎么说~ 1.The traditional rule in standard British English is that shall is used with first pers
英文语法词汇
Inspection Problems 检验问题 Shall we get down to the point of inspection? 我们来讨论一下检验问题吧。 OK, what do you have in mind? 好的，您有什么想法？ The reinspection should be made within 5 days upon the arrival, and if
外贸英语话题王
Topics: Ask an American: segregation; paradise lost; to go off; trip versus journey versus voyage versus travel Words: to come in standard to acclimate captain representation apparent to work against to evolve to defy paradise lost to go off trip jou
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