机械类词汇大全-50

2059 、 铸模；模子 mould 2060 、 铸模成形；倒模成形；模塑 moulding 2061 、 铸钢；生钢 caststeel 2062 、 铸铁；生铁 castiron 2063 、 廿三画 2064 、 纤维 fibre 2065

高中英语人教版必修3 02

[00:04.28]Reading COME AND EAT HEAR(1) [00:09.12]Wang Pengwei sat in his empty restaurant feelling very frustrated. [00:15.05]It had been a very strange morning. [00:17.92]Usually he got up early prepared his menu of mutton kebabs, [00:23.28]roast po

SSS 2011-04-20

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

SSS 2010-03-26

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

SSS 2010-01-19

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

60秒科学:冬暖夏凉的屋顶

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

SSS 2008-09-01

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

SSS 2011-02-07

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

SSS 2011-04-06

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

高中英语人教版高一下13

[00:07.39]Lesson 57 1.Dialogue [00:12.54]AT THE DOCTOR'S [00:15.78]Sharon is visiting a doctor,Dr Yang. [00:21.03]What can I do for you,sharon? [00:24.58]Well,I couldn't sleep last night. [00:29.15]What was the matter? [00:31.90]I've got a pain here.

VOA慢速英语--研究人员研发完全可降解轮胎

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

VOA标准英语2016--“智能”绷带有助更快治愈伤口

'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

英语词汇分类：纺织品

braided fabric 编织物 deformation 变形；走样 fast colours 不褪色；色泽牢固 punch work 抽绣 embroidery 刺绣品 acetate fibre 醋酯纤维 hemp 大麻 damp proof 防潮 sanforizing, p

招标、投标和广告

INVITATION FOR BIDS, BID AND ADVERTISEMENTS 招标、投标和广告 Introduction Bidding is another form of trading in international business. When enterprises, utilities as well as governments are in need of certain materials, products or planning

过去将来一般时的语法知识

过去将来一般时的基本概念和形式 过去将来一般时(future-in-the-past indefinite tense)表示对于过去某一时间而言将要发生的动作或存在的状态。 过去将来一般时由should(第一人称)或would(第二、三人称

2018年CRI Tibet to have universal fibre-optical broadband service

China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin

夏说英语新闻晨读 第446期:快时尚与环保

本期内容： Young people's love of fast fashion is coming under the scrutiny of Britain's law-makers. MPs say the fashion industry is a major source of the greenhouse gases that are overheating the planet. Discarded clothes are also piling up in

经济学人275:电梯和摩天大楼 另一个高耸入云的俱乐部

Science and technology 科学技术 Lifts and skyscrapers 电梯和摩天大楼 The other mile-high club 另一个高耸入云的俱乐部 A new lightweight lift cable will let buildings soar ever upward 一种新型的轻型升降梯将会让建筑继

新西兰英语 446 Wool Week

Wool Week opened early yesterday morning in Wellington with a display of sheep shearing at the railway station. Then children brought in their pet lambs. People on their way to work stopped to watch. Then there was a fashion parade of woolen clothes

聆听悦耳英音 第13期:Polyester Birthday(1)

嘉宾：Debbie Mason 话题：的确良，的确很时尚！Polyester Birthday 单词拼写： 1、polyester 涤纶（的确良） 2、chemist 化学家 3、synthetic fibre: man-made，artifical fibre 人造纤维 4、fiesta 嘉年华 5、subtle 不明