单词：malleable mild steel
单词：malleable mild steel 相关文章
[00:06.79]magnetic magnetism magnify [00:15.02]adj.有磁性的,有吸引力的 n.磁性;吸引力 v.放大;赞美 [00:23.25]magniloquent magnitude magpie makeshift [00:33.87]adj.夸张的 n.重要;星球的光亮度 n.鹊,饶舌的人 n./adj.代用品
GRE词汇精选
很多人都相信上帝是公平的，关上眼前的一扇窗会为你打开另一扇窗。在最新的科学研究中我们也能得到类似的结论：天生听力有缺陷的人会有更好的视觉。 Recent research explains how the deaf can
60秒科学
Every era has its defining struggle and the fate of Africa is one of ours. It's not the only one, but in the history books it's easily going to make the top five--what we did or what we did not do. It's a proving ground, as I said earlier, for the id
名人励志英语演讲
By Caty Weaver Broadcast: November 21, 2003 This is Bob Doughty with the VOA Special English Economics Report. Last week, the World Trade Organization ruled that United States taxes on imports of stee
VOA2003（下）-农业与经济
This is Scientific Americans 60-Second Science. Im Christie Nicholson. Got a minute? Is it an old wives tale or can deaf people actually see better? Scientists have long thought that the structure of our brain is fixed. For instance, from birth the a
Scientific American(十)月
By Michael Bowman Washington 07 June 2007 Scientists in the United States say they have for the first time been able to create stem cells from the ordinary skin cells of mice, a breakthrough that could lead to new medical breakthroughs and eliminate
2007年VOA标准英语（六月）
In the four centuries since Romeo and Juliet was first performed, Shakespeare's tragic tale of star cross'd lovers has been recast into formats from high school comedy to musical theater. Now, at long last, we have the whimsical Disney version in a n
VOA标准英语2011年(二月)
Simulating Blindness Might Help Improve Hearing 模拟失明或有助于提高听力 A new report suggests it might be possible to change the circuitry of the brain to better process sound, a finding that could give renewed hope to the 350 million pe
VOA标准英语2014年(二月)
STEVE INSKEEP, HOST: President Trump's push for tariffs on steel and aluminum imports is driven in part by competition from China. The United States still produces most of its own steel, we should be clear. But the industry has faced pressure from ch
2018年NPR美国国家公共电台3月
RACHEL MARTIN, HOST: A cartoon frog died on the Internet a few days ago. His name was Pepe. You might remember him over the course of the 2016 election. He became one of the most recognizable symbols of the alt-right. NPR's Sam Sanders tells us how P
2017年NPR美国国家公共电台5月
Copper can be rolled or hammered out into thin sheets, and so we say that it is malleable. It can also be easily drawn out into wire, and for this reason we call it ductile. Sheet copper is much used for covering the bottoms of ships, and for making
英国学生科学读本
Playing by His Own Set of Rules 以自己的游戏规则行事 When Andy Hertzfeld joined the Macintosh team, he got a briefing from Bud Tribble, 安迪赫茨菲尔德加入Mac团队后，另一名软件设计师巴德特里布尔 the other software
乔布斯传
Ancient Iraqi Relics Find Their Way Home with Help from the FBI 在FBI的帮助下，伊克古文物重回家乡 As Operation Iraqi Freedom rolled through Baghdad in the spring of 2003, an estimated 1
VOA2005（上）--文化教育动态
By Melinda Smith Washington, DC 17 April 2006 watch Sinus Surgery report Many people who live in climates where there is a change of seasons often experience sinus problems. Sinus pain and headaches c
2006年VOA标准英语（四月）
By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app
2007年VOA常速英语（十月）
还记得《美丽心灵的永恒阳光》里的约尔（金凯瑞饰）吗？情人节前夕，当约尔精心准备好礼物，为不久前一次争吵找到克莱门汀（凯特温丝莱特饰）道歉时，他惊讶地发现，克莱门汀根本都
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Manhattan memory project: How 9/11 changed our brains You'll probably remember exactly where you were and what you were doing when you first learned that passenger jets had crashed into the World Trade Center. People tend to form exceptionally vivid
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People who are furrowing their brows over weighty arithmetic puzzles or sweating over wordy text books might want to take note. 对超难度算术题皱眉头或对冗长的课本冒汗的人需要记笔记。 Adults can significantly bulk up their b
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BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year
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