un. 钢芯铸铁焊条

机械类词汇大全-21

841 、埋头铆钉 countersinkheadrivet 842 、埋头锥孔 countersink 843 、埋头螺栓 countersinkheadbolt 844 、埋头螺丝 countersinkheadscrew 845 、埋头钻 countersinkdrill 846 、

发表于:2018-11-29 / 阅读(169) / 评论(0)

英文名句短语

Recycling Scrap Metal

By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o

发表于:2018-12-01 / 阅读(209) / 评论(0)

VOA2003（下）-发展与科学

用Mp3背六级单词015

executive coke cling clearing universally temperament ferrous conceive customary cartridge set rip second dwell flake instrumental reproduction goddess displacement vicinity patent

发表于:2018-12-01 / 阅读(116) / 评论(0)

用Mp3背六级单词

用Mp3背六级单词044

morality influence undertake bonus excess vault pudding howl move thigh enterprise icy melody tribute intelligible hurl cavity portray cordial conscientious quantify electrode nose cite

发表于:2018-12-01 / 阅读(121) / 评论(0)

用Mp3背六级单词

SSS 2011-12-30

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(122) / 评论(0)

Scientific American(十二)月

发现可以给手机充电的细菌

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens，found in the mud at Oyster Bay，Virginia，has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(89) / 评论(0)

有声杂志阅读

天才宝贝熊第51期:和熊爸爸钓鱼(4)

I once caught a very big fish with this. 我曾经用这个钓到过一条大鱼。 Now I want you to have it. 现在，我希望把它给你。 It will bring you luck. 它会给你带来好运的。 I'm a real fisherman now. 我现在是一个真正的

发表于:2018-12-28 / 阅读(70) / 评论(0)

天才宝贝熊

2010年麻省理工学院清洁能源奖揭晓(有声)

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(291) / 评论(0)

60秒科学

VOA慢速英语20060731a

DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred

发表于:2019-01-02 / 阅读(88) / 评论(0)

2006年慢速英语（七）月

机械类词汇大全-36

1471 、实践计划 realization 1472 、对比 contrast 1473 、对流 convection 1474 、对接 butt 1475 、对接合；对接榫 buttjoint 1476 、对接角榫 buttmitredjoint 1477 、对接焊

发表于:2019-01-03 / 阅读(86) / 评论(0)

英文名句短语

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(93) / 评论(0)

Scientific American(八)月

VOA常速英语2007-Iron Train a Lifeline for Rural Mauritania

By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort

发表于:2019-01-07 / 阅读(90) / 评论(0)

2007年VOA常速英语（十月）

VOA标准英语2011--Cast Iron Revival Keeps US Foundry Cooki

Cast Iron Revival Keeps US Foundry Cooking Tucked between the Tennessee River and the hills of Marion County lies the small town of South Pittsburg, Tennessee. Home to just 3,200 people, it has one claim to fame: a metal foundry called Lodge Cast Iro

发表于:2019-01-13 / 阅读(117) / 评论(0)

VOA标准英语2011年(七月)

旅游口语情景对话第25天:如何询问旅行路线

第一句：What kind of tour do you have? 你们有什么样的旅行路线？ A: What kind of tour do you have? 你们有什么样的旅行路线？ B: We offer many kinds of tours. 我们提供多种路线。第二句：What can I see on the tour

发表于:2019-01-21 / 阅读(135) / 评论(0)

旅游英语口语情景对话

DEVELOPMENT REPORT - Reusing Metal Waste Provides Work For M

DEVELOPMENT REPORT - Reusing Metal Waste Provides Work For Many in Developing Countries By Gary Garriott Broadcast: Monday, April 04, 2005 I'm Gwen Outen with the VOA Special English Development Repor

发表于:2019-01-30 / 阅读(93) / 评论(0)

农业与发展

ESL Podcast 483 – Using Hair Products and Accessories

Danny: Youre going to the prom . How exciting! How should we style you hair? Clarissa: Im really not sure. I was hoping you would have some ideas. Danny: I do, but first we need to see if we have the right tools. Lets look in your bathroom. Heres som

发表于:2019-02-06 / 阅读(54) / 评论(0)

地道美语播客

交通工具之船体方面的词语

bulk head 散货船 cross deck 过桥甲板 tugboat 拖船 freeing-port 舷墙上的流水孔 barge 驳船 dead weight 载重量 oil tank 油船 tonnage 吨位 container vessel 集装箱船 stern 艉部 pusher 推论 sterm frame艏柱 ferry 轮渡 mi

发表于:2019-02-08 / 阅读(272) / 评论(0)

实用英语

英语词汇分类：冶金英语词汇

iron and steel industry 钢铁工业 ironworks 铁厂 foundry 铸造车间 steelworks, steel mill 钢厂 coking plant 炼焦厂 electrometallurgy 电冶金学 powder metallurgy 粉末冶金学 blast f

发表于:2019-02-11 / 阅读(107) / 评论(0)

英文语法词汇

工程词汇中英文对照

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(124) / 评论(0)

实用英语

机械英语词汇（二）

机械英语词汇（二）生产类 PCS Pieces 个(根,块等) PRS Pairs 双(对等) CTN Carton 卡通箱 PAL Pallet/skid 栈板 PO Purchasing Order 采购订单 MO Manufacture Order 生产单 D/C Date Code 生产日期码 ID/C Identification Code (供应商)识别码 SWR Special Work Reque

发表于:2019-02-18 / 阅读(106) / 评论(0)

英文语法词汇

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学英语单词

automatic reversible battery booster

automatic work station