单词：electron-beam welder
单词：electron-beam welder 相关文章
[00:-1.00]What's right for you,might be worong for me [00:-2.00]Respect our differences and diversity Be true to youself, [00:-3.00]trust who you are reach for the sky,each of a star! [00:-4.00]A chain is stronger than its weakest link.-Chinese Prove
高中英语河北版上
And it is time again for Story Core. This traveling oral history project is recoding the stories of everyday Americans. And today we have memories of a real life--Rosie the Riveter. Dorothy Kelley helped to build ships in May during War World Ⅱ, a d
2006年NPR美国国家公共电台
This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin
Scientific American(九)月
beam, [bi:m] n 大梁（建筑中用作支撑的木材、金属或石头）；光柱；臀围；平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,
不择手段背单词
Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺
2017年VOA慢速英语(十)月
By Brian Wagner Miami 26 May 2006 Desmond Dekker album cover Jamaican singer Desmond Dekker, who helped bring reggae to an international stage in the 1960s, died at his home in Britain on Thursday. His manager said the 64-year-old suffered a heart a
2006年VOA标准英语（五月）
Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma
英美文化
Pakistanis Tire of Water, Electricity Shortages Pakistans new prime minister, Raja Pervez Ashraf, faces a struggling economy and has said he will make the delivery of electricity a priority, but the nation is tired of constant shortages of water and
VOA标准英语2012年(六月)
Slaid Cleaves Reflects on Struggles of War Veterans Over the past two decades, Cleaves has won acclaim for his songs about the small-town, working-class men and women just struggling to get bylike the ones hes singing about in Rust Belt Fields. Rust
VOA标准英语2013年(七月)
Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如，美国开拓西部的过程给美国语言增添了不少色彩。可
美国习惯用语
[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el
闭着眼睛飘单词 四级词汇
DAVID GREENE, HOST: More and more businesses are being raided as the Trump administration goes after employers who knowingly hire unauthorized immigrants. The biggest bust of all targeted a trailer manufacturer in northeast Texas. Immigration police
2018年NPR美国国家公共电台10月
But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a
TED演讲教育篇
The One With The Fake Party 本集简介： Phoebe, pregnant, has cravings for meat; Joey agrees to be a temporary vegetarian so she can eat meat without causing more animals to die. Rachel creates a fake party for Emily, which is really an excuse to
老友记(六人行)
It's hard to teach a robot to sew. 教机器人缝纫是非常困难的。 Robots are good at handling materials that are rigid and easy to lift, cut and maneuver. 机器人擅长处理易于拿起、剪切、调转的硬质材料。 But it's a diffe
英语新闻
For most of us in the workforce, waking up early Monday morning is arguably the most painful activity of the week. But not everybody has a case of the Mondays, like we do. In fact, there are real-life people who exist out there who actually look forw
英语新闻
Almost 9.5 million high school students in China have just finished possibly the most important exam of their lives. 中国近乎950万的高校学生刚刚结束了或许是他们人生中最最重要的考试。 The annual National College Entrance
阅读空间
Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom
万物简史